Anchor: As part of this model, a prototype is developed or revised whenever a risk analysis shows that significant areas of uncertainty remain that pose substantial risks to project success.
Entailed: Project success can be undermined by uncertainty.
Contradiction: Based on this model we cannot pull any data of value.
Contradiction: Everyone knows that the Cowboys are going to have an awful year next year.
Contradiction: There is a skateboarder.
Contradiction: A man is riding on a horse.
Contradiction: Slim averted his gaze.