Anchor: Oh, a matter of ten years or so might be longer.
Entailed: Well, a matter of a decade or even more.
Contradiction: Well, a matter of only a year or less.
Contradiction: the worker is resting
Contradiction: a performer performs with a silver ball in a street.
Contradiction: Her outfit is solid black.
Contradiction: I am glad that I grew up in the 1960s, even though drugs were popular back then.