Anchor: You don't think but, say, that's plumb impossible no one could have got in.
Entailed: It's not possible to get in; that just doesn't happen.
Contradiction: I know what it was: they slipped in through the open back door.
Contradiction: A yoga class is occuring.
Contradiction: Someone is working on something.
Contradiction: A man blows a whistle.
Contradiction: Revenue should be recognized when a forfeiture judgment is obtained.