Anchor: And sky has no inertia until it is contaminated by contact with the ground.
Entailed: Sky has no inertia until it contacts the ground
Contradiction: The sky always has inertia.
Contradiction: There is a scheduled decrease in capacity in the near future. 
Contradiction: A person is on a mountain.
Contradiction: I've never been to a cafe.
Contradiction: Two men are strolling in dark clothes.