Anchor: Students are inside of a lecture hall.
Entailed: Students are indoors.
Contradiction: Students are outside on the football field.
Contradiction: The police officer, dressed in blue and white with a white helmet, walked back and forth twirling his nightstick to keep the angry mob subdued.
Contradiction: Food festival is visited by patrons.
Contradiction: A group of friends are sitting inside of a library.
Contradiction: A man is near stairs.