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 available for tonight ? 
 Person2:  There are some seats in the rear mezzanine . 
 Person1:      Isn't there anything else available ? 
 Person2:  No , the show is almost sold out . 

1