Anchor: Such models may include the waterfall model, rapid prototyping, or evolutionary development.
Entailed: Models may include a waterfall.
Contradiction: Models don't exist.
Contradiction: The man is watching a football game on television.
Contradiction: Jedynak used to teach physical education for a junior high.
Contradiction: The women are all sitting in the rowboat, as their boyfriends call from the shore to them.
Contradiction: A group of deer chased a wailing Japanese child.