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:     Hey man , what do you have on tap ?  
 Person2:  Heineken and Budweiser . We have a two-for-one happy hour special .  
 Person1:      Cool , give me a pint of Heineken and half a pint of Bud .  
 Person2:  Okay ... A pint of Heineken and and half a pint of bud for table six ! And what about some appetizers ?  
 Person1:      Sure ! Let ’ s have some nachos and mozzarella sticks .  
 Person2:  Okay . That ’ ll be 80 bucks .  
 Person1:      Wait ... What ! 

1