Anchor: A third party may deliver a letter if proper postage is affixed and canceled.
Entailed: A third party can deliver a letter if there is the proper postage on it.
Contradiction: A third party can still not deliver a letter if there is the proper postage on it.
Contradiction: There are tractor rides, regardless of the weather.
Contradiction: Some people are riding boats.
Contradiction: The galleries are all in the basement.
Contradiction: A group of children stick their faces through picture frames.