Anchor: There are people on rollerskates with one player charging and another player blocking.
Entailed: The people are on rollerskates.
Contradiction: The people are walking on their feet.
Contradiction: It's a thing that is easy to measure the damage.
Contradiction: Adrin was hit twice.
Contradiction: The coworkers sing songs while driving their red car to work.
Contradiction: Clinton got donations from students.