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 .  
 Person2:  Hello.May I speak to Mark , please ?  
 Person1:      Sure , just a minute.Mark , you're wanted on the phone .  
 Person2:  Hello , this is Mark speaking .  
 Person1:      Hi ! This is Jill.How come you didn't come in today ?  
 Person2:  Oh , we had a birthday party for David last night . As a matter of fact I woke up with a terrible hangover .  
 Person1:      That's too bad.You ' ll have to be more careful nest time .  
 Person2:  Anything new at the office ?  
 Person1:      No , nothing special.Oh , yes , you know Bill , The guy with the moustache.His wife had a baby girl last night and he passed out cigars to everyone today , He said his wife and daughter are doing fine.The baby is their first child .  
 Person2:  That's wonderful ! We've got to celebrate !  
 Person1:      Yes , we have to.Do you think you can make it tomorrow ?  
 Person2:  Sure . I ought to be ready for some more drinks by then.Thank you for calling .  
 Person1:      You're welcome.Bye . 

0