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: Russell was ahead of the curve. He excelled in school and passed all exams with ease. 
 Sentence: One day, an older man came to Russell's house. 
 Character: Russell
None

Context: None 
 Sentence: Felix was highly interested in life in the colonial United States. 
 Character: Colonial williamsburg
None

Context: Chris was in a black market in Mongolia. He saw a sweater that looked very warm and fashionable. He tried to barter with the shopkeeper. The shopkeeper said 30 dollars and wouldn't go any lower. 
 Sentence: Chris realized he was not any good at bartering. 
 Character: Shopkeeper

None

