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:     Did you listen to the weather forecast ?  
 Person2:  No . Why ?  
 Person1:      There's a typhoon coming .  
 Person2:  No way !  
 Person1:      Yep , it should be here by tomorrow night . 

1