Teacher: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.
Teacher: Now, understand the problem? Solve this instance: Context: Henry was determined to be a real magician. He enrolled in magician's school right after high school. He graduated in twelve months. Henry became an apprentice for five long years. 
 Sentence: He now is the headliner for his own magic show in Las Vegas. 
 Character: Magician's school
Student:
None