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:     Is that room service ?  
 Person2:  Yes.what can I do for you ?  
 Person1:      May I ask for a wake-up call tomorrow morning ?  
 Person2:  Fine , what time do you want to get up ?  
 Person1:      6:30 . My room number is 305 . 

1