You are given a conversation between two people.'Person1:' and 'Person2:' are used to separate their respective dialogues. You have to classify if there exist more than 2 unique emotions in conversation. If there are more than 2 unique emotions present in the conversation, the output should be classified as '1' else it should be '0'

Person1: David , would you like something to eat ?
Person2: No , I'm full .
Person1: Do you want something to drink ?
Person2: Yes , I'd like some coffee .
Person1: Sorry , I don't have any coffee .
Person2: That's OK . I'll have a glass of water .
Person1: A small glass , or a big one ?
Person2: Small please .
Person1: Here you are .
Person2: Thanks .
Person1: You're welcome .
0