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:     Mike promised to help us .  
 Person2:  Mike ? How can you trust him to help us ?  
 Person1:      Why not ?  
 Person2:  He is too unpredictable . He says anything that pops into his head . And then he forgets it all . 

0