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.

Example Input: Context: Ben walked through the supermarket and found the rice aisle. 
 Sentence: A bag on sale half off caught his eye. 
 Character: Cashier
Example Output: None

Example Input: Context: None 
 Sentence: John was flying a kite. 
 Character: Neighbor
Example Output: None

Example Input: Context: None 
 Sentence: Jordan went to the circus. 
 Character: Clown
Example Output:
None