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:     Please come in !  
 Person2:  Hi . Steven . I just drop in and want to have a chat with you .  
 Person1:      Oh , so nice of you to come here . Have a seat . Please make yourself at home .  
 Person2:  OK . ( Sit on the sofa ) Wow ! Your house was decorated so beautiful .  
 Person1:      Thank you . My wife would be very happy to hear this .  
 Person2:  She must have done a lot of work on it .  
 Person1:      You bet . 

0