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.

Context: Luna moved to Brazil. She got a lot of sunlight. 
 Sentence: The sunlight was good for her skin. 
 Character: Luna
None

Context: Tom walked into his classroom one morning and saw a new tank. Inside of the tank, there was a little turtle. Tom's teacher explained that the turtle was their new pet. She told the students that they could name the new turtle. 
 Sentence: The students chose the name Henry. 
 Character: Tom's teacher
None

Context: None 
 Sentence: I came home from school. 
 Character: Mom

None

