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:     Why are you so crazy about bird-watching ? What do you get out of it ?  
 Person2:  Looking at the beautiful creatures and listening to their songs are such wonderful experiences . I feel as if I'm in direct contact with nature .  
 Person1:      Really ?  
 Person2:  You bet . You should try it yourself . 

1