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:     Guess what I just heard ? 
 Person2:  What ? 
 Person1:      The boss is planning to sell the company . 
 Person2:  You must be joking ! 

1