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:     Sorry.What was that you said ?  
 Person2:  I'll meet you at the Gate round about seven .  
 Person1:      Where ?  
 Person2:  At the Gate .  
 Person1:      When , did you say ?  
 Person2:  Round about seven .  
 Person1:      Who's coming ?  
 Person2:  Peter.Peter Brown , you know.Don ' t forget to bring the letter .  
 Person1:      Sorry . I didn't quite catch what you said.There ' s a lot of noise outside .  
 Person2:  I told you not to forget to bring the letter .  
 Person1:      Loretta ? No , she can't come , she's busy . 

1