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:     Would you like to go to the natural history museum with me ?  
 Person2:  Have you ever been to it before ?  
 Person1:      Yes , lots of time . I was quite impressed by the wide variety of exhibitions they have .  
 Person2:  Let's go . It sounds interesting . 

0