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.
Q: Context: Although he pretended like he was tough, Mitchell was pretty cowardly. To test my theory, I placed a rubber spider next to his pillow. He went into his room to sleep and screamed when he found the insect. Rushing in, I found him him attacking the fake spider with bed sheets. 
 Sentence: I told him it was fake and laughed so hard I nearly choked. 
 Character: Mitchell
A: 
None