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 do we need for the barbecue ?  
 Person2:  Well , I ’ Ve bought a lot of meat . I ’ Ve got pork chops , small steaks , chicken wings , and plenty of hot sausages and hamburger patties .  
 Person1:      I can ’ t wait to start cooking ! I ’ Ve bought the grill and charcoal . Do you have enough plates and utensils ?  
 Person2:  I think so . I bought some paper plates and cups for people to use . It will save on the washing up !  
 Person1:      And if people drop them , they won ’ t break . We ’ ll need to buy some buns to make hot dogs and hamburgers .  
 Person2:  They sell them at the shop around the corner . We can go and get some in a few minutes .  
 Person1:      I brought some cheese to make cheeseburgers and some onions for the hot dogs . We ’ ll need some tomato ketchup and some barbecue sauce .  
 Person2:  I have the sauce , but remind me to get some ketchup at the shop .  
 Person1:      How long does it take to cook meat on a barbecue ?  
 Person2:  It only takes a few minutes . Some people like their meat well done . Others like it rare . The great thing about a barbecue is that everyone can choose how they want their meat cooked .  
 Person1:      They can cook it themselves to make sure it ’ s exactly how they like it .  
 Person2:  I hope you haven ’ t invited any vegetarians ! 

1