Anchor: A baseball player in a gray uniform is catching a ground ball in his glove.
Entailed: A baseball player is catching a baseball.
Contradiction: There is a man in a gray uniform getting ready for his tennis match.
Contradiction: The streets lie empty and barren now that the jungle has overtaken the abandoned city. 
Contradiction: We had a four wheel drive vehicle and we were stuck.
Contradiction: Analyzing the results of monitoring efforts is a useless endeavor to security specialists.
Contradiction: Skeptics thought the president based his approach to defense spending on how it would be received.