You will be given a definition of a task first, then some input 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: Ben was a cake maker. Ben thought he was the best cake maker in the entire world. Ben went on a reality show about baking. The host was very mean to Ben and said his cake was terrible. 
 Sentence: But Ben won the competition anyway. 
 Character: Host
Output:
None