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:     Anything interesting in this city ? 
 Person2:  We have a beautiful natural park . 
 Person1:      It's worth the time . 
 Person2:  Come on.Let ' s walk there . 

1