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 have a hand in locking into the case ? 
 Person2:  Yes . 
 Person1:      How do you feel about it ? 
 Person2:  It is really a hard nut to crack . The problem is that the crime was done without leaving any trace . 

1