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 would like to make a reservation for tomorrow .  
 Person2:  I'm sorry but we are fully booked .  
 Person1:      Well , how about 4th ?  
 Person2:  That's fine , but we have only a single room , is that OK ?  
 Person1:      Yes . Please help me reserve it . 

0