Task: Property Constraint Reasoning (ontology: Legal/LKIF_Core_Ontology)

The property 'efficacy' applies to instances of 'Modification', and 'Semantic Annotation' is a subclass of 'Modification'. Which class can appear as the value of 'efficacy' for instances of 'Semantic Annotation'?

A. Dynamic Temporal Entity
B. Application Date
C. Efficacy Interval
D. Publication Date

Answer: Efficacy Interval