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.

Input: Consider Input: Person1: Merry Christmas ! Mary !
Person2: Merry Christmas ! Mr Bean .
Person1: Will you come to join us at dinner this evening ? My family will be happy to see you . And father misses you very much .
Person2: Well , I would be glad to , but I have promised Tom to see his Christmas tree , and play the piano for his song tonight .

Output: 1

Input: Consider Input: Person1: It's very dark in here.Will you turn on the light ?
Person2: Okay.But our baby has fallen sleep .
Person1: Then , turn on the lamp , please .
Person2: But where's the switch ?
Person1: It's there by the window .

Output: 0

Input: Consider Input: Person1: I ' m terribly sorry to cause you so much trouble .
Person2: That ' s alright .
Output: 0