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:     What would you like to do tonight ?  
 Person2:  I'm not sure .  
 Person1:      What about going to a movie ?  
 Person2:  OK , let's go to the cinema to see what's on . 

1