Task: Class Definition Understanding (ontology: Earth_Environment/EnvironmentOntology)

Which of the following definitions best describes 'latrine slab'?

A. A the concept is a broad, flat, thick piece of solid material (typically stone or concrete) used as the floor of a latrine and which includes a hole through which excreta are deposited into a latrine pit.
B. An exchangeable device which can be connected to a plumbing system to deliver and drain water.
C. A the concept is a solid piece of material, usually with a regular shape, used as a component in the construction of buildings. Masonry units are usually composed of brick, stone, marble, granite, travertine, limestone, cast stone, concrete block, glass block, stucco, tile, or cob.
D. A black or colored ink which is 1) used for writing, printing, and drawing and 2) made from fine soot (lampblack) and water.

Answer: A the concept is a broad, flat, thick piece of solid material (typically stone or concrete) used as the floor of a latrine and which includes a hole through which excreta are deposited into a latrine pit.