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:     Jenny , I was wondering ... if you .. eh are you busy this Friday ?  
 Person2:  Yes , Friday I have a class , right after work .  
 Person1:      Oh , what about Saturday ? Are you free then ?  
 Person2:  Saturday my parents are coming to town . What ’ s up ?  
 Person1:      What about tonight ? Do you have plans tonight ?  
 Person2:  No , do you want to go and do something ?  
 Person1:      Yes , yes , I want to take you to dinner .  
 Person2:  Oh , that sounds great . How about 6 o ’ clock ? 

1