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:     What's the weather like ?  
 Person2:  I don't know . I just woke up .  
 Person1:      Why don't you look outside ?  
 Person2:  Okay . It looks like rain .  
 Person1:      Why do you say that ?  
 Person2:  The sky is gray .  
 Person1:      Is it raining right now ?  
 Person2:  No .  
 Person1:      How do you know ?  
 Person2:  The street isn't wet .  
 Person1:      I have to go shopping today .  
 Person2:  You'd better take an umbrella . 

1