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:     Excuse me , Professor , is there a time when I could meet with you ?  
 Person2:  I could meet with you tomorrow anywhere from two until four ; what time works out best ?  
 Person1:      I would like to come in at three o'clock .  
 Person2:  I am glad that that works out ; can you find my office ?  
 Person1:      Yes , I can .  
 Person2:  Just follow the walkway to the outside and climb the stairs to the third floor .  
 Person1:      I got it .  
 Person2:  If you do get lost , just ask someone in the building to point the way .  
 Person1:      Thank you , I'll be there .  
 Person2:  If you need to cancel your appointment , please give me a call ! 

1