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.

Example Input: Context: Gina and her friends were cleaning up their picnic. Her sister spilled soda. 
 Sentence: She should have cleaned it up. 
 Character: Gina
Example Output: None

Example Input: Context: Heather loved origami. She learned how to make paper cranes. When she found out her friend was sick, she made 1000 cranes. She put them all in a basket. 
 Sentence: She gave them to her friend for good luck. 
 Character: Friend
Example Output: None

Example Input: Context: None 
 Sentence: Jill always sent her graphic designer instructions at the last minute. 
 Character: Jill
Example Output:
None

