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 really late but I'm starving .  
 Person2:  Hey , that coffee shop's lights are still on .  
 Person1:      Maybe they have some good pie .  
 Person2:  I would love a really sticky cinnamon bun .  
 Person1:      There was a coffee shop by my house when I was a kid that served cinnamon hot chocolate .  
 Person2:  Mmmm . That sounds like something I had in Mexico once .  
 Person1:      Good stuff ... Oh , no . The door is locked .  
 Person2:  Ohhhhh ! And I just got all my juices going ! 

0