Anchor: Two boxers land a punch to the face at the same time.
Entailed: two boxers land a punch on each other at the same time
Contradiction: both boxers died after the fight
Contradiction: I have lots of plants and I know lots about them. 
Contradiction: There is, on the wall here, what appears to be the Star of David.
Contradiction: A man walks past a red mural.
Contradiction: There are people outside near the sign.