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'.
Input: Context: My friend was running for the presidency. I joined her campaign as I badly wanted her to win the election. I devised a plan to oust her opponent, and emailed it to her. Unfortunately, my emails were intercepted and leaked. 
 Sentence: I apologized to her opponent and stepped down from her campaign. 
 Character: I (myself)
Output:
obligated