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:     When can we expect you for dinner ? Can you come tonight ?  
 Person2:  Not tonight . I promised to go to a concert with my sister .  
 Person1:      Well ... How about Friday then ?  
 Person2:  That sounds fine .  
 Person1:      Good . Shall we say seven o'clock ?  
 Person2:  I'll be there . You're still a fabulous cook , aren't you ?  
 Person1:      That'll be for you to decide . I've got a new dish that I want to try out on you .  
 Person2:  I'm ready . I'll look forward to it all Friday ! 

0