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:     It's crunch time , isn't it ? I wasn't nervous before the meeting , but now I am . 
 Person2:  No kidding . Time is running out . 
 Person1:      It would help to bring in a couple more troubleshooters . 
 Person2:  Vince says he can't afford anybody else . We're got to come through . 
 Person1:      Do you think we'll make it ? 
 Person2:  I guess we'll either make it , or we won't . 

1