Anchor: A gathering of people having a festival at a train yard.
Entailed: People gather at a festival at a train yard.
Contradiction: People are riding trains in the sky.
Contradiction: I don't think I'm getting any better.
Contradiction: Gore, as a man of action, is almost certain to defeat Bradley in the caucuses tomorrow.
Contradiction: A group of people are gathered to say happy birthday to a friend.
Contradiction: The waterfall is surrounded by the native forests.