In this task, you are given a text from tweets and a boolean question whether this tweet has positive sentiment or negative sentiment. Your task is to generate answer "yes" when the tweet has that particular sentiment, otherwise generate answer "no".

Input: Consider Input: Tweet: Headed home, dad duty tonight. Might take the kids to the course again. Although my boys took me for $11 last night in a chipping contest  Question: is it a negative tweet?

Output: yes


Input: Consider Input: Tweet: @octoberalex Hmm. Did you mean to start &quot;following&quot; me? Oh and g'morning by the way!  Question: is it a negative tweet?

Output: no


Input: Consider Input: Tweet: @kirstiealley How about Saavik?    Question: is it a positive tweet?


Output: yes