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 that tall man is ? 
 Person2:  I don ’ t know . But he must be a big shot . 
 Person1:      Why ? 
 Person2:  Because everyone is trying to butter him up . 

1