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 going to have some people over for dinner Saturday night.Would you like to join us ?  
 Person2:  Oh , I'm afraid I'll be busy tomorrow evening .  
 Person1:      Some other time then ?  
 Person2:  OK.Thanks for asking me . 

0