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

Which of the following definitions best describes 'amenity lake'?

A. A lake constructed, or modified, for the chief purpose of providing an amenity.
B. An artificial body of water, often contained by a dam, constructed for the purpose of water storage.
C. A stable emulsion of oil, and vinegar or lemon juice, with many options for embellishment with other herbs and spices. Egg yolk is the traditional emulsifier.
D. A the concept is a product derived from the broad bean plant.

Answer: A lake constructed, or modified, for the chief purpose of providing an amenity.