Q: 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'.
 Person1:     Hi . Can I help you ?  
 Person2:  No , thanks . I ’ m just looking around .  
 Person1:      Okay . Please let me know if you need any help .  
 Person2:  Thanks a lot . 
A:
1