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

Suppose an individual ?x satisfies: volatility(?x). Which composite conclusion is inferred?

A. date period(?y) ∧ has date period(?x, ?y)
B. has date period(?x, ?y) ∧ market rate(?y)
C. has date period(?x, ?y) ∧ historical volatility(?y)
D. date period(?y) ∧ has quotation date(?x, ?y)

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