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've just had an argument with Bob . 
 Person2:  Really , who started the argument ? 
 Person1:      He did and it's his entire fault . 
 Person2:  Did you know it takes two to tango ? 

0