Find the main idea. A useful summary distills the source material down to its most important point to inform the reader. ...
Keep it brief. A summary is not a rewrite—it's a short summation of the original piece
Write without judgment
Make sure it flows
Sight, smell, hear, taste, feel. So anything that goes with those, such as: food.
The answer to the question "Which of the following sentences most clearly expresses an opinion?" is B.
This practice is divisive, it is unfair, it is archaic.
The word unfair is a key word to knowing that is in opinion, because there is no factual evidence to tell you that it is fair or unfair. Opinions can be backed by facts, but can not be proven.
It is the burden of the Prosecution to present evidence or proof to prove the case. In the event, that the Prosecution fails to present or inadequate evidence the defense counsel will move to ask the court for case dismissal or motion acquittal.