Anchor:  "Interesting material," he commented, as if only the technical nature of the stuff had offered any problem to him.
Entailed: He was familiar with the organic parts of the material, but the technical stuff confused him.
Contradiction: He had no problem with the technical nature of the stuff.
Contradiction: A woman swims in a pool.
Contradiction: boys carry racks
Contradiction: Congress will not cut funding from any programs whatsoever. 
Contradiction: A black dog is playing.