Anchor: For this reason, it is recommended that only approximately 10% of the test organisms be exposed initially to the dilution water.
Entailed: The dilution water will be used on 10% of the organisms.
Contradiction: All the test organisms should be exposed to dilution water.
Contradiction: The black building is being built.
Contradiction: There are a crowd of people watching dolphins jump out of a pool.
Contradiction: We are not going through anything similar right now.
Contradiction: It reveals something that the speaker doesn't find by himself.