Anchor: no joke  i hope you didn't have a big vacuum cleaner
Entailed: I hope your vacuum cleaner wasn't big.
Contradiction: I really hope you had a big vacuum cleaner.
Contradiction: There are a couple of people with emptiness syndrome.
Contradiction: A child is cleaning the dishes.
Contradiction: A fully clothed person stands on the floor.
Contradiction: This hierarchy could come into effect earlier than 1998, if approved by OMB.