Anchor: Visitors are welcome Tuesdays and Thursdays from 5:00 p.m.
Entailed: Visitors can come from 5PM on Thursdays and Tuesdays.
Contradiction: On Tuesdays, visitors are all unwelcome.
Contradiction: Why conclude control by the masses/
Contradiction: The bicycle is standing up straight.
Contradiction: Our country has always restricted citizen from owning guns.
Contradiction: There is a bird outside.