You will be given a definition of a task first, then an example. Follow the example to solve a new instance of the task.
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: Jake was frustrated from work. 
 Sentence: He decided to go for a walk at night. 
 Character: Jack
Solution: to have fun
Why? Jack was frustrated from work; so, little walk at night can refresh his mood and he can have fun.

New input: Context: Henry was determined to be a real magician. He enrolled in magician's school right after high school. He graduated in twelve months. 
 Sentence: Henry became an apprentice for five long years. 
 Character: Magician's school
Solution:
None