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: I'm calling about our appointment . I can't call on you this evening.My wife is terribly ill .
Person2: Sorry to hear that .
Person1: How about next week ?
Person2: Fine , we'll be expecting you then .

Output: 0

Input: Consider Input: Person1: Hey Jack . How were your classes this semester ?
Person2: They were not too bad . I really liked my poli-sci class .
Person1: Would you consider it your favorite class ?
Person2: I don't know if I would call it my favorite , but it ranks up there .
Person1: What class was your favorite then ?
Person2: I took a business communication class last year and it was terrific .
Person1: I never took that yet . If that was your favorite , I think I will check it out .

Output: 0

Input: Consider Input: Person1: How did you first meet ?
Person2: My roommate invited both of us to dinner .
Person1: Was it love at first sight ? Did you fall in love with her the first time you met her ?
Person2: Yes ! The first time I saw her I knew we would fall in love .
Output: 1