Anchor: A black and white dog leaps to catch an orange Frisbee.
Entailed: A black and white dog jumps up to catch an orange frisbee
Contradiction: A black and white dog walks up to an orange frisbee
Contradiction: Several people are playing football.
Contradiction: You can snorkel and skin dive at nearby islets.  
Contradiction: The two men are cooking dinner
Contradiction: Two men are sitting