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:     Are you sure that this is the place to wait for our school bus ?  
 Person2:  Yeah . Look , other kids are coming this way .  
 Person1:      But it doesn't look like a real bus stop .  
 Person2:  That's because regular buses don't stop here .  
 Person1:      How much is it going to cost ?  
 Person2:  Nothing . It's free .  
 Person1:      Is that yellow bus it ?  
 Person2:  Let's go sit in the back . All the cool kids do . 

1