Anchor: Deciviews, like the analagous term decibel, employ a logarithmic scale to evaluate relative changes in visibility that is more directly related to human perception.
Entailed: Deciviews use a logarithmic scale to evaluate relative changes in visibility.
Contradiction: Deciviews use a linear scale for evaluation of visibility.
Contradiction: He knows everything.
Contradiction: The taxi held the adventurers inside it. 
Contradiction: A person is sleeping at home.
Contradiction: People together at a concert.