Anchor: Two men are examining a bike tire outside while a woman watches from the porch.
Entailed: People are examining a bike while someone else watches.
Contradiction: Two men are mowing the lawn.
Contradiction: A man in a green tank top is sitting and working on a fairly large piece of street art.
Contradiction: You may be able to put your plants in the ground in June.  
Contradiction: A cat sits on a window sill.
Contradiction: A family is walking.