Task: SWRL-based Rule Reasoning (ontology: Business_Finance/Financial_Industry_Business_Ontology)

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

A. earnings before interest, taxes, depreciation and amortization(?x, ?y)
B. has date period(?x, ?y)
C. not has date period(?x, ?y)
D. owners' equity(?x, ?y)

Answer: has date period(?x, ?y)