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.

Ex Input:
Context: Max had a dead tree in his yard. He decided he needed to cut the tree down. He asked to borrow a chainsaw from a friend. After surveying the area, he toppled the tree into his yard.
Sentence: By cutting the tree in pieces, he had fireplace wood for the winter.
Character: Max

Ex Output:
to put the tree to good use

Ex Input:
Context: Jerry was focused. It was his first cross country race.
Sentence: Jerry wanted to do well for the team and for himself.
Character: Jerry

Ex Output:
to prove himself as worthy to his teammates

Ex Input:
Context: Kim had passion for fashion. So Kim decided to make a clothing company.
Sentence: At first she only sold shirts to friends and family.
Character: Friends

Ex Output:
None