Anchor: Four children are playing on their front porch while their father looks on.
Entailed: a father is looking at his four children play on the porch.
Contradiction: no kids are on the porch playing.
Contradiction: People are at the bus station
Contradiction: The little girl is playing dress-up outside today.
Contradiction: The US has never taken anything from Mexico.
Contradiction: Three workers are in the city.