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:     Can you work over tonight ?  
 Person2:  Sorry , I'm supposed to be with my son .  
 Person1:      Okay , I'll ask Bob to cover it .  
 Person2:  Thanks . I appreciate it . 

0