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:     Have we sold out all the newspapers for today ?  
 Person2:  Yes . What a good job we have done !  
 Person1:      Why are so many extra gifts left here ?  
 Person2:  Many customers didn't want them .  
 Person1:      How about giving them to that old man ?  
 Person2:  Good idea .  
 Person1:      By the way , do you think it's a good idea to give free gifts to attract customers ?  
 Person2:  I'm not sure , but still it did attract a large crowds today .  
 Person1:      I think it should be more useful to hand out some fliers which is also cheaper .  
 Person2:  But people can just throw them into the trash can as they turn around .  
 Person1:      That's true .  
 Person2:  Anyway , let's just finish out job and get back home .  
 Person1:      Okay . How tiring the job is ! 

1