<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>soheil</author><text>It appears as if in the past 40 years we have traded the smoke in the air with ad-riddled public spaces.&lt;p&gt;Time for a California Indoor Ad-Free Act of 2016?</text><parent_chain></parent_chain></comment><story><title>Why Old Sports Photos Often Have a Blue Haze</title><url>http://petapixel.com/2015/10/15/why-old-sports-photos-often-have-a-blue-haze/</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>wyldfire</author><text>Is this the same phenomenon as Rayleigh scattering [1]?&lt;p&gt;&lt;a href=&quot;https:&amp;#x2F;&amp;#x2F;en.wikipedia.org&amp;#x2F;wiki&amp;#x2F;Rayleigh_scattering&quot; rel=&quot;nofollow&quot;&gt;https:&amp;#x2F;&amp;#x2F;en.wikipedia.org&amp;#x2F;wiki&amp;#x2F;Rayleigh_scattering&lt;/a&gt;</text><parent_chain></parent_chain></comment><story><title>Why Old Sports Photos Often Have a Blue Haze</title><url>http://petapixel.com/2015/10/15/why-old-sports-photos-often-have-a-blue-haze/</url></story>