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:     Hi , Lucy . What are you going to do this weekend ?  
 Person2:  I have no idea yet . Do you have any suggestions ?  
 Person1:      Would you like to play tennis with me ?  
 Person2:  I'd like to .  
 Person1:      Be sure to get to the sports hall at nine o'clock on Sunday morning .  
 Person2:  OK , will do ! 

1