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:     Good morning , madam . What can I do for you ? !  
 Person2:  I'd like a coffee please .  
 Person1:      Certainly , madam . What kind of coffee would you like ?  
 Person2:  What have you got ?  
 Person1:      Well , we have espresso , cappuccino , latte , skinny latte and Americano .  
 Person2:  Goodness me ! So many choices ! I think I'll have a cappuccino please .  
 Person1:      Here you are . You'll find the sugar just over there . 

1