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'
Q: Person1:     Want to meet for lunch this Saturday ? 
Person2: Sorry , I can't . I am busy . 
Person1:     What are you doing ? 
Person2: I always do volunteer work on the first Saturday of every month . 
Person1:     What kind of volunteer work ? 
Person2: I help out at the children's hospital . I help plan activities . 
Person1:     Oh , yeah ? 
Person2: Yes , it ’ s exciting . This month we are doing crossword puzzles . 
A: 
1