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 broke the glass , Peter ?  
 Person2:  That cat .  
 Person1:      I was not born yesterday . It must be either you or Adam .  
 Person2:  It ’ s me , mum , I am sorry . 

1