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:     Hello , I'm sorry for calling this late . May I speak to Peter ?  
 Person2:  I'm sorry . He's not in right now .  
 Person1:      When is he coming back ?  
 Person2:  He should be back in ten minutes . Could 1 you call back later ?  
 Person1:      I'll call again in thirty minutes . 

0