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'

Example input: Person1:     Excuse me , when is the next train to Los Angeles ? 
 Person2: 10:15 a . m . 
 Person1:     Can I get the ticket here ? 
 Person2: Sorry . You have to buy your ticket at the next counter . 
 Person1:     Thank you . 
Example output: 1
Example explanation: This conversation has multiple emotions because of unavailability of the ticket at the given counter and the happiness at the end due to gratitude  
Q: Person1:     I think it is time to study . Our chemistry exam is coming . 
Person2: Oh , I know . When is it ? 
Person1:     December 1st . 
Person2: What's on the test ? 
Person1:     It seems to be from chapter six to chapter ten . 
Person2: Well . I think I'm going to fail my chemistry exam . 
Person1:     Why are you so pessimistic ? 
Person2: I'm not being pessimistic . I'm being realistic . My chemistry is so bad . 
Person1:     I believe you can pass the exam with good preparation . Don't lose your heart . 
Person2: Thank you . That's very nice of you . 
A:
1