TASK DEFINITION: In this task, you're given a context, a sentence,  and a character. The sentence describes an action or job of the given character. Also, the context provides more information about the sentence or the character. Your task is to return one of the emotions which are expressed by the Character in the given sentence. For that you can use the Context; however, Context is not provided in all the inputs. Also, in some inputs, there can be zero emotion; for that return 'None'.
PROBLEM: Context: A huge tree grew in a forest. A tiny vine sprouted at its base and began climbing the tree. 
 Sentence: Year after year the vine grew, strangling the tree with its strands. 
 Character: Tree

SOLUTION: None

PROBLEM: Context: Harold was always naturally athletic in school. He never practiced and sports came easy to him. When he reached high school he tried out for the track team. 
 Sentence: He failed to even make the second string team. 
 Character: Track team

SOLUTION: None

PROBLEM: Context: Timmy faced Jim in a wrestling match. Timmy endured a few punches but ended up knocking Jim unconscious. He didn't allow Jim time to get up and started to choke him. The officials move Timmy out of the arena. 
 Sentence: The coach instructed him not to make the same move again. 
 Character: Coach

SOLUTION:
frustrated

