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:     I'm calling about our appointment . I can't call on you this evening.My wife is terribly ill .  
 Person2:  Sorry to hear that .  
 Person1:      How about next week ?  
 Person2:  Fine , we'll be expecting you then . 

0