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.
One example is below.
Q: Context: Jake was frustrated from work. 
 Sentence: He decided to go for a walk at night. 
 Character: Jack
A: to have fun
Rationale: Jack was frustrated from work; so, little walk at night can refresh his mood and he can have fun.
Q: Context: The gas station I frequent to buy coffee was robbed. I showed up one morning, and as I entered the door I was shoved aside. A man came running out and slammed the door into my face. Before I could collect myself, the clerk came running after. 
 Sentence: The man was a thief, and he was caught and arrested. 
 Character: The clerk
A:
None