Anchor: A group of people are riding on a tour bus and viewing something interesting out the window.
Entailed: The tour bus is full of people.
Contradiction: A group of people are being led on a musem tour.
Contradiction: The bus can not go under 95 mph otherwise it will explode.
Contradiction: Two dogs rowing a boat.
Contradiction: People are at home sitting in chairs.
Contradiction: A group of people are swimming in a pool.