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 keep any pets , such as cats , dogs ?  
 Person2:  No , I'm scared of cats .  
 Person1:      Oh , but why ?  
 Person2:  I feel they're dirty . 

1