Anchor: A man on a scaffold is reaching for an extended ladder.
Entailed: He is climbing up.
Contradiction: He is climbing with monkeys.
Contradiction: The island does not have much to offer. 
Contradiction: There is not time to waste! Whittington had descended the stairs.
Contradiction: A football team lined up to run a play.
Contradiction: Ross Perot is so wealthy that he can run for president as an Independent.