Anchor: Two young men in a martial arts ring participate for a crowd.
Entailed: Two men are doing martial arts.
Contradiction: The men are asleep.
Contradiction: boy eats hot dog
Contradiction: A man taking out the trash.
Contradiction: They don't contain aluminum. 
Contradiction: I will have to figure out if I want an American car or want to buy something that I think will hold value in the long run.