Anchor: Two people working on welding metal together outside on a sidewalk.
Entailed: Two people are welding outside.
Contradiction: Two men are sawing lumber outside.
Contradiction: I was done analyzing the subject and decided to play basketball later.
Contradiction: The equipment can be found all over for low prices.
Contradiction: The united states does not have an environmental protection agency.
Contradiction: There are 4 people in this picture.