Detailed Instructions: You are given a conversation between two people. 'Person1:' and 'Person2:' are used to separate their respective dialogues. Your task is to classify the conversation either convey 'No emotion' or 'Happiness' by providing '1' and '0', respectively.
Q:  Person1:      It's getting late . I'm afraid I have to leave.Thank you for a most wonderful evening .  
 Person2:  Don't mention it.Don ' t forget to take your daughter along next time .  
 Person1:       OK . 
A:
1