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:     Is the clock right ?  
 Person2:  I'm afraid it gains a little .  
 Person1:      By how many minutes ?  
 Person2:  Two . 

1