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:     I want to take a photograph .  
 Person2:  All right.Which kind do you prefer ?  
 Person1:      I like one taken half length .  
 Person2:  That's fine . 

0