Anchor: A man in a black shirt and jeans appears to be working on some piping system.
Entailed: A man works on pipes.
Contradiction: A man using a barbecue grill.
Contradiction: A man is sawing pieces of wood.
Contradiction: A child plays on a jungle gym.
Contradiction: A plumber fixes a toilet for a family in need.
Contradiction: The man is not near a system.