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:     Will you go with us this Sunday ? 
 Person2:  What for ? 
 Person1:      Let's go and play volleyball . 
 Person2:  Sorry , I don't feel like playing . I have too much homework . 

1