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 there anything I can do for you ?  
 Person2:  Yes . I have reserved a table for 2 at 7:30 . My name is Bob .  
 Person1:      Yes , sir . Is there anything wrong ?  
 Person2:  Three of our friends will join us so can you seat 5 people at that time ?  
 Person1:      No problem , sir . We will arrange you a table for 5 .  
 Person2:  Thank you . 

1