Anchor: A man changing the tire and doing some maintenance on a bus, with someone assisting with the tires.
Entailed: The man is changing a tire
Contradiction: The man isn't changing a tire
Contradiction: An empty classroom
Contradiction: Montmarte is also known as La Butte.
Contradiction: The workers asked to be paid in ebola virus cells.
Contradiction: A risk in using other people's studies are concerns.