Anchor: Much of the equipment for these systems will be unique to the site and project requirements, although the equipment
Entailed: A lot of the equipment is specific to the site or to what the project requires. 
Contradiction: None of the equipment for the systems is going to be unique to the site or a specific project. 
Contradiction: An older man is watching birds outside.
Contradiction: One person is not paying attention to the camera.
Contradiction: My wife and I simply cannot agree on how to approach marriage. 
Contradiction: Yes but they put something on it.