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:     What sports do you like to play ?  
 Person2:  I like baseball and basketball .  
 Person1:      How about football ?  
 Person2:  In my country football is brand new , so I never learned the game when I was younger .  
 Person1:      It's a very popular game in America .  
 Person2:  Yeah . I heard a lot about it . Is it really that fun ?  
 Person1:      For me , it's one of those games that are fun to both watch and play .  
 Person2:  Are you a football player ?  
 Person1:      No , I just for fun with my friends . We play two hand touch or flag football . We're too old to play tackle football .  
 Person2:  What is two hand touch and flag football ?  
 Person1:      Instead of tackling somebody , you just have to touch them with two hands , or if it is flag football , grab the flag that the ball carrier is wearing .  
 Person2:  I see . It's safer then right ?  
 Person1:      Exactly . We play every Saturdays on the field by the tennis courts . If you want to learn and play a little , you're welcome to join us .  
 Person2:  I'll give it a try . Give me a call and let's go down together .  
 Person1:      Ok . I'll call you Saturday morning .  
 Person2:  Great . 

1