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:     Is everything ready for the big family barbecue tomorrow ?  
 Person2:  Yep . The steaks and chicken are marinated and I also bought hamburger buns .  
 Person1:      We should also cook a couple dozen hot dogs and kebabs .  
 Person2:  Yeah , good idea.We can put some lawn furniture outside next to the grill . I also set up the tent outside so we can hide from the sun if it gets too hot .  
 Person1:      Great ! I asked Grace to bring cups and serviettes as she is also bringing two big coolers for the beers .  
 Person2:  This is gonna be a great barbecue ! 

1