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

The property 'initial date of' applies to instances of 'Moment', and 'Publication Date' is a subclass of 'Moment'. Which class can appear as the value of 'initial date of' for instances of 'Publication Date'?

A. Textual Modification
B. Modification
C. Interval
D. Efficacy Interval

Answer: Interval