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 write the character's motivation by doing a specific job, which is given in the sentence. You can use context to find the motivation; however, all the inputs do not provide context. Also, in some inputs, there can be zero motivation; output, 'None' in this case.
PROBLEM: Context: None 
 Sentence: One day Alex had a pool party. 
 Character: Blue team

SOLUTION: None

PROBLEM: Context: Kate was sipping on orange soda and sketching in her sketch book. Her brother and his friend came in the room. They were throwing a football around. 
 Sentence: It landed and knocked over Kate's soda. 
 Character: Brother

SOLUTION: None

PROBLEM: Context: My friend was running for the presidency. I joined her campaign as I badly wanted her to win the election. 
 Sentence: I devised a plan to oust her opponent, and emailed it to her. 
 Character: Friend

SOLUTION:
None

