Anchor: Musical exercises drift through the air, along with snatches of conversation about AP courses, recommendations, test prep, tracking, and nursery-school admissions.
Entailed: Musical exercises are heard.
Contradiction: They don't practice music at all.
Contradiction: A man is riding a scooter.
Contradiction: There are several dogs playing.
Contradiction: He did not take the horse.
Contradiction: Two women are holding pieces of paper.