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:     We are going to the concert this evening . Will you join us . 
 Person2:  I'm very sorry I can't . 
 Person1:      Why not ? 
 Person2:  I've been snowed under with since my bosses away on business . 

0