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:     All right , Mr . Crane , when will you be arriving in the city ?  
 Person2:  I should be coming in on the 11:30 mooring flight . How far is the office from the airport ?  
 Person1:      Only 25 minutes or so . We ’ ll send somebody to meet you . That ’ s 11:30 a . m . Friday the 15th ?  
 Person2:  That ’ s right . I ’ ll be in the baggage area . 

1