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 think this one will do .  
 Person2:  I'm sorry . I don't think so .  
 Person1:      Why ? What's wrong with it ?  
 Person2:  It's much too hard for his age . 

0