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:     How's the weather today ?  
 Person2:  It's cloudy .  
 Person1:      Is it going to rain today ?  
 Person2:  I doubt it .  
 Person1:      But I heard it might rain . 

1