In recent years, some painters of graffiti have been winning recognition as artists. But since graffiti is vandalism, painting graffiti is inherently an act of rebellion and lawbreaking. For this reason, painting graffiti is not art.
Which of the following is an assumption that supports drawing the conclusion above from the reason given for that conclusion?
【选项】
An object is not an art object if its maker might be motivated primarily by questions of whether or not creating that object is permissible.
选项是否正确？