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:     Hello , towing service . What ’ s your problem ? 
 Person2:  Yes . I need a tow truck . My car is broken down . 
 Person1:      Where are you now ? 
 Person2:  I ’ m on the Highway 401 , close to the Lipton Link . 
 Person1:      All right . I got it . What color is your car ? 
 Person2:  Black . 
 Person1:      And plate number . 
 Person2:  AKIM 400 . 
 Person1:      Okay . Just stay in your car . We ’ ll be there in five minutes . 
 Person2:  Thanks a lot . 

1