Read the following context and choose the best option to answer the question.
Context: When you 're in a foreign country , here 's a fun game to play . Speak English among yourselves , even if you know the local language . That way , when the locals start badmouthing you or saying rude things about Americans , you can give them a good scare .
Question: What may be the reason for this advice ?
Options: 
- None of the above choices .
 - They want others to have a bad trip in another country .
 - They want others to get themselves in trouble .
 - They wanted to anger foreigners in other countries .


They wanted to anger foreigners in other countries .