Task: Sentiment Analysis
Input (English): Context: My science class took a field trip to the bio park today. Only about half of the students were allowed to go on the trip. My best friend Mark got left behind because he failed a math test. That doesn't seem fair to me because he is really good at science. 
 Sentence: I don't understand why teachers punish students who really try hard. 
 Character: I (myself)
Output (English): disappointed