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:     Bob , I'm really upset with you .  
 Person2:  I'm sorry , I didn't mean to forget our wedding anniversary .  
 Person1:      You forgot it last year as well .  
 Person2:  I know , I'm sorry . 

0