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:     Do you know who ’ s just got married ? Old McDonald .  
 Person2:  Never ! He ’ s over 80 , isn ’ t he ?  
 Person1:      He ’ s nearly 90 .  
 Person2:  Good gracious ! Are you sure ?  
 Person1:      I am . What ’ s more , his wife is 84 .  
 Person2:  Is she really ?  
 Person1:      Yes , she is . And guess what , he is her sixth husband .  
 Person2:  Really ? Quite a woman , isn ’ t she ? 

1