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:     Don't just stand outside . Come on in .  
 Person2:  Yeah .  
 Person1:      This is Alex . Remember ? This is Sean .  
 Person2:  Nice to meet you guys .  
 Person1:      Over there are Stacy and Rebecca . We're all on the school's tennis team .  
 Person2:  Who's that guy who's handing out beer to everyone ?  
 Person1:      That's my boyfriend Matt . Isn't he cute ?  
 Person2:  He sure is !  
 Person1:      Come on . I'll introduce you two . 

0