Anchor: I did not wonder at John objecting to his beard. 
Entailed: John objected to his beard.
Contradiction: John had no objections to his beard.
Contradiction: There is no need to give people the means to enforce the rights they have received.
Contradiction: they sit in the dark room
Contradiction: Nobody cares about the pyramids, and theories about them and their purpose usually fade into obscurity.
Contradiction: A woman has a fiddle.