Task: SWRL-based Rule Reasoning (ontology: Earth_Environment/EnvironmentOntology)

Suppose an individual ?x satisfies: aromatic carboxylate(?x). Which conclusion is one valid inferred conclusion?

A. carbon oxoanion(?x)
B. hydrocarbyl anion(?x)
C. chalcogen oxoanion(?x)
D. carboxylic acid anion(?x)

Answer: carboxylic acid anion(?x)