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: Oreo the dog wanted to chew on his bone. But Oreo could not remember where he buried the bone. Oreo sniffed the entire backyard. Oreo found the spot he buried it. 
 Sentence: Oreo was able to chew on his bone he found. 
 Character: Oreo
Output:
to eat something