Definition: You are given a conversation between two people. 'Person1:' and 'Person2:' are used to separate their respective dialogues. If the conversation begins with a question, label it '1' otherwise '0'.
Input:  Person1:     Our philosophy teacher is very humorous .  
 Person2:  I usually have the wrong notion that he's very serious .  
 Person1:      No , not at all.The examples he gives are very interesting .  
 Person2:  No wonder when I pass your room , I always hear your laughter . 

0