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:     I'm checking out tomorrow . What time must I vacate the room ?  
 Person2:  Before 12 a . m .  
 Person1:      I see . Thank you . 

1