Anchor: A man is riding a lawn mower on the street.
Entailed: A man is riding on a lawn mower.
Contradiction: A guy is playing frisbee at the park.
Contradiction: My value went 3 dollars up today.
Contradiction: A man is browsing for goods.
Contradiction: There are a lot of elderly people in this country who need help, and after we sent all our young talented people overseas to help in other countries they should die.
Contradiction: I don't know, said Tuppence