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:     Jim and you are bosom friends , aren't you ? 
 Person2:  I wouldn't say so . 
 Person1:      What do you mean ? 
 Person2:  Well , I thought he was , but he ends up to be a con man . 

1