Which sentence uses subjective language?
Department of Health and Human Services guidelines suggest getting 75-150 minutes a week of aerobic exercises, such as running, swimming, and bicycling.
For research purposes, scientists classified walking as moderate exercise and running as vigorous exercise.
Walking doesn’t exercise the heart as well as running, swimming, and bicycling, but it’s still a worthwhile activity.
Running, swimming, and bicycling are aerobic exercises.