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 give me some directions ? 
 Person2:  What are you looking for ? 
 Person1:      A gas station . My car ran out of gas two blocks back . 
 Person2:  Walk straight ahead until you come to the second traffic light . Then turn right . 
 Person1:      Do you know the name of the street ? 
 Person2:  I can't remember , but it's the second light . 
 Person1:      By the way , do you know the price of the gas now ? 
 Person2:  I'm afraid I don't . But I do know the price has gone up . 
 Person1:      Thanks a lot . 

0