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:     Are you sure you heard right ?  
 Person2:  Yes , he is running for class president .  
 Person1:      I don't believe you .  
 Person2:  Take my word for it . 

1