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:     That one looks pretty big . Are you going to keep it ? 
 Person2:  Of course . I always keep what I catch . 
 Person1:      Not me . I like to throw back what I catch . 
 Person2:  If it's within the legal limit , I prefer to keep it . 

1