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 , Jack here .  
 Person2:  Hello , Jack . It's Mary . What are you doing in your office ?  
 Person1:      I am working . I often work late on Thursdays . I am busy this week .  
 Person2:  Would you like to come and have dinner with us on Friday ?  
 Person1:      Tomorrow ? No , I'm afraid I wouldn't be able to . I'm going out of the town on business .  
 Person2:  What about Saturday ?  
 Person1:      Sorry , I never go out on Saturday evening . I always watch football on Saturday evening .  
 Person2:  Will you come round next Tuesday ?  
 Person1:      Next Tuesday ? Just a moment ! It will be the 21st of May . Oh , dear . Arm ... I promised my aunt I would be at her birthday party .  
 Person2:  What do you say to next Wednesday then ?  
 Person1:      Let me see . Yes , Mary . Let's make it next Wednesday .  
 Person2:  Ok . Bye .  
 Person1:      Bye . 

0