What is the organizational structure of this comparison, and how can you tell?
O subject-by-subject; the entire reading is about indoor and outdoor cat subjects
O point-by-point; each point of comparison, like cat health and animal attacks, is given the same amount of discussion
Opoint-by-point; the author makes all the points about inside cats and then makes all their points about outside cats
O subject-by-subject; the subjects - indoor cats and outdoor cats are covered one at a time
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