Anchor: However, real tests don't perform uniformly across a spectrum.
Entailed: Real tests vary across a spectrum.
Contradiction: Tests perform exactly the same every time.
Contradiction: I don't have enough space outside for the things I need to do. 
Contradiction: Humans sitting
Contradiction: If you go back to 1951, you'll find that there were no drug dealers then.
Contradiction: Ear draining?