Anchor: They spent the morning discussing the mechanism, loading, cleaning, and use of the two pistols.
Entailed: They spent the morning discussing the two pistols.
Contradiction: They spent the morning discussing the two swords.
Contradiction: A child is digging a hole in the ground with a shovel.
Contradiction: Raleigh just got a new football team. 
Contradiction: Make it easy enough.
Contradiction: He talked about them with us before delivering a speech in Los Angeles.