Anchor: Prepare all graduated cylinders, test flasks, bottles, volumetric flasks, centrifuge tubes and vials used in algal assays as 
Entailed: Prepare all scientific equipment.
Contradiction: There is no scientific equipment required.
Contradiction: People in a park sleeping on benches.
Contradiction: I work for a tire company and there are many injuries there.
Contradiction: The policeman rode a white horse.
Contradiction: Large amount of souvenirs are being made of the distinct marble sculptures of the era.