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 would you like for your main course ?  
 Person2:  Steak , please .  
 Person1:      How would you like your steak ? Rare , medium-rare or well-done ?  
 Person2:  Well-done , please . 

1