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'd like to reserve a table for three at 6:30 this evening . 
 Person2:  Let me check . Hold on , please ... Yes , that's fine . Smoking or nonsmoking area ? 
 Person1:      Nonsmoking , please . 
 Person2:  All right . May I have your name ? 
 Person1:      My surname is Gao . 
 Person2:  How do you spell it , sir ? 

0