Task: Inferred Instance Class Reasoning (ontology: Business_Finance/Financial_Industry_Business_Ontology)

After reasoning over the ontology, which class is one valid inferred class for the instance 'document filing period'? Context: a qualifier indicating that the relationship period reflects the validity period for any regulatory filing, accounting document, other document demonstrating the relationship's validity

A. value
B. classifier
C. address component
D. factor

Answer: classifier