<instructions>Your goal is to analyze the following comment and estimate how highly it will be upvoted by the Hacker News community.</instructions><comment><author>austenallred</author><text>Our startup lets you track the event in real-time, and has thousands of people actively confirming and refuting content as to its validity. There is &lt;i&gt;a lot&lt;/i&gt; of fake info floating around on Twitter (and even some mainstream media organizations), so act with caution. &lt;a href=&quot;http://grasswire.com/#/newsfeeds/1e4b388a-8ea7-461d-8acf-ba171941eb12&quot; rel=&quot;nofollow&quot;&gt;http:&amp;#x2F;&amp;#x2F;grasswire.com&amp;#x2F;#&amp;#x2F;newsfeeds&amp;#x2F;1e4b388a-8ea7-461d-8acf-ba1...&lt;/a&gt;&lt;p&gt;Confirmed: Malaysia Airlines confirms it has lost contact with #MH17 from Amsterdam. Last known position over Ukraine. Was shot down, all passengers dead.&lt;p&gt;The pro-Russian rebels in Ukraine deny shooting it down, and are blaming the Ukrainian armed forces.&lt;p&gt;The Ukraine Defense Ministries claim it was shot down by a BUK missile, which the separatists &lt;i&gt;do&lt;/i&gt; have, and it would reach. We also have this interesting translation of Ukraine rebel leader’s VKontakte (Facebook) post regarding another downed airplane: &lt;a href=&quot;http://pastie.org/9400258&quot; rel=&quot;nofollow&quot;&gt;http:&amp;#x2F;&amp;#x2F;pastie.org&amp;#x2F;9400258&lt;/a&gt;. (I translated it, so forgive me for any inaccuracy).</text><parent_chain><item><author>k-mcgrady</author><text>Some interesting info on the speculation it was shot down:&lt;p&gt;A defence expert has told the BBC that shooting down a plane at 10,000m (9.7 miles) would have required a long- range surface-to-air missile - possibly guided by radar.&lt;p&gt;That suggests it is unlikely it could have been downed by a portable air defence missile, or Manpad, which has a much shorter range.&lt;p&gt;The only other possibility is for an aircraft at that height to be downed by a fighter carrying air-to-air missiles.&lt;p&gt;The US will have access to satellite imagery that should be able to identify ultra-violet plumes if a long-range surface-to-air missile was fired.&lt;p&gt;Source: &lt;a href=&quot;http://www.bbc.co.uk/news/world-europe-28354856&quot; rel=&quot;nofollow&quot;&gt;http:&amp;#x2F;&amp;#x2F;www.bbc.co.uk&amp;#x2F;news&amp;#x2F;world-europe-28354856&lt;/a&gt;&lt;p&gt;Edit:&lt;p&gt;Amateur video reportedly showing aftermath of the crash (from a distance):&lt;p&gt;&lt;a href=&quot;http://www.theguardian.com/world/video/2014/jul/17/malaysia-airlines-flight-mh17-crashes-ukraine-video&quot; rel=&quot;nofollow&quot;&gt;http:&amp;#x2F;&amp;#x2F;www.theguardian.com&amp;#x2F;world&amp;#x2F;video&amp;#x2F;2014&amp;#x2F;jul&amp;#x2F;17&amp;#x2F;malaysia-...&lt;/a&gt;</text></item></parent_chain></comment><story><title>Malaysia B772 has crashed near Donetsk</title><url>http://avherald.com/h?article=47770f9d&amp;opt=0</url></story>
<instructions>Your goal is to analyze the following comment and estimate how highly it will be upvoted by the Hacker News community.</instructions><comment><author>smoorman1024</author><text>Alternate speculation&lt;p&gt;&lt;a href=&quot;http://voiceofrussia.com/news/2014_06_29/Donetsk-militia-takes-control-of-Ukrainian-anti-air-installation-1561/&quot; rel=&quot;nofollow&quot;&gt;http:&amp;#x2F;&amp;#x2F;voiceofrussia.com&amp;#x2F;news&amp;#x2F;2014_06_29&amp;#x2F;Donetsk-militia-tak...&lt;/a&gt;&lt;p&gt;Air-To-Air Missile seems highly unlikely.&lt;p&gt;Rumors abound that Militia groups were bragging about downing a Ukrainian Transport&lt;p&gt;&lt;a href=&quot;http://itar-tass.com/mezhdunarodnaya-panorama/1325017&quot; rel=&quot;nofollow&quot;&gt;http:&amp;#x2F;&amp;#x2F;itar-tass.com&amp;#x2F;mezhdunarodnaya-panorama&amp;#x2F;1325017&lt;/a&gt;&lt;p&gt;Take everything with a grain of salt!</text><parent_chain><item><author>k-mcgrady</author><text>Some interesting info on the speculation it was shot down:&lt;p&gt;A defence expert has told the BBC that shooting down a plane at 10,000m (9.7 miles) would have required a long- range surface-to-air missile - possibly guided by radar.&lt;p&gt;That suggests it is unlikely it could have been downed by a portable air defence missile, or Manpad, which has a much shorter range.&lt;p&gt;The only other possibility is for an aircraft at that height to be downed by a fighter carrying air-to-air missiles.&lt;p&gt;The US will have access to satellite imagery that should be able to identify ultra-violet plumes if a long-range surface-to-air missile was fired.&lt;p&gt;Source: &lt;a href=&quot;http://www.bbc.co.uk/news/world-europe-28354856&quot; rel=&quot;nofollow&quot;&gt;http:&amp;#x2F;&amp;#x2F;www.bbc.co.uk&amp;#x2F;news&amp;#x2F;world-europe-28354856&lt;/a&gt;&lt;p&gt;Edit:&lt;p&gt;Amateur video reportedly showing aftermath of the crash (from a distance):&lt;p&gt;&lt;a href=&quot;http://www.theguardian.com/world/video/2014/jul/17/malaysia-airlines-flight-mh17-crashes-ukraine-video&quot; rel=&quot;nofollow&quot;&gt;http:&amp;#x2F;&amp;#x2F;www.theguardian.com&amp;#x2F;world&amp;#x2F;video&amp;#x2F;2014&amp;#x2F;jul&amp;#x2F;17&amp;#x2F;malaysia-...&lt;/a&gt;</text></item></parent_chain></comment><story><title>Malaysia B772 has crashed near Donetsk</title><url>http://avherald.com/h?article=47770f9d&amp;opt=0</url></story>