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

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

A. obligation default(?x)
B. maturity extension(?x)
C. downgrade(?x)
D. obligation-specific credit event(?x)

Answer: obligation-specific credit event(?x)