Anchor:  Dave Hanson could repair anything that contained electrical circuits or ran on tiny jeweled bearings, but he could handle almost nothing else.
Entailed: Dave Hanson's expertise was with repairing items with electrical circuits.
Contradiction: Dave can fix anything as long as it does not involve electric circuitry. 
Contradiction: Jane Finn told Julius that she hated him.
Contradiction: A young person is skating outside.
Contradiction: No one is working on the scaffolding.
Contradiction: Two men are strolling in dark clothes.