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

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

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

Answer: Temporal Occurrence