Anchor: A large group of people are packed tightly into a train.
Entailed: The people are looking into a train
Contradiction: The people are sleeping
Contradiction: The firetruck is turning left.
Contradiction: The merits of various plants and animals were judged by princes and princesses.
Contradiction: Microsoft has a big share of the market, but has no critics despite this fact.
Contradiction: This does not violate the antitrust.