Anchor: Young boys practice swimming in an indoor pool.
Entailed: There are boys in a pool.
Contradiction: The boys are running laps around the outside of the pool.
Contradiction: A man jumps up and down.
Contradiction: A young girl in a karate uniform jumps off a trampoline
Contradiction: College students are surfing in the ocean.
Contradiction: Mrs. Inglethorp's passing couldn't possibly have a benefit to Miss Howard.