Stimulus
Sheila: It has been argued that using computer technology to add color to a movie originally filmed in black and white damages the integrity of the original film. But no one argues that we should not base a movie on a novel or a short story because doing so would erode the judged on its own merit. It does not damage the integrity of the original black-and-white film.
What this question is testing
Your task
Describe how the argument proceeds — the technique it uses to reach its conclusion.
Common trap
Answers that describe a method the argument doesn't actually use.
Winning move
Track the role each statement plays, then match that to the choice describing the same moves.
Reading along? Open the full official question in LawHub — we show a fragment here and keep the reasoning in our own words.