Anchor: A football player is tackling another football player of the opposing team.
Entailed: A player is tackled at a sporting event.
Contradiction: A player tackles his teammate.
Contradiction: in public places there are absolutely no place that does that
Contradiction: A high school marching band practices on the field at night.
Contradiction: a baseball player won the game
Contradiction: Tuppence was speaking to someone behind her.