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:     Who is your favorite music composer ?  
 Person2:  I don't have one single favorite , but these days I listen to a lot of Chopin .  
 Person1:      Then you must despise such modern music as rock ?  
 Person2:  Without doubt , rock is trash . 

1