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:      The maid has just delivered some laundry to my room.But it's not mine at all . 
 Person2:  I am sorry.sir.We will send someone immediately . 

1