Anchor: Two well dressed men are walking down a busy street.
Entailed: There are two men on the busy street.
Contradiction: The empty dirt road was an excellent ball field for the young children.
Contradiction: There are no limits fo SO2 emissions.
Contradiction: A group of people celebrating.
Contradiction: A woman and an old man are staring at a flock of sheep on their farm.
Contradiction: Two men are using a fishing net.