Read the following context and choose the best option to answer the question.
Context: I make it a point not to discuss politics at family functions . It 's not worth the aggravation . However , I could n't let this one pass by when I overheard my uncle and my sister talking .
Question: What may cause aggravation about politics at a family event ?
Options: 
- The same views may cause aggravation .
 - None of the above choices .
 - Differing views may cause aggravation .
 - The news may cause aggravation .


Differing views may cause aggravation .