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

The property 'temporal relation' applies to instances of 'Temporal Occurrence', and 'Interval' is a subclass of 'Temporal Occurrence'. Which class can appear as the value of 'temporal relation' for instances of 'Interval'?

A. Pair Of Periods
B. Atom
C. Temporal Occurrence
D. Pair

Answer: Temporal Occurrence