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:     Excuse me . Could you tell me how to get to the post office ? 
 Person2:  Of course . Turn right at the next intersection and go straight . The post office will be on your left ( side ) . 

0