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

The property 'spatial reference' applies to instances of 'Place', and 'Absolute Place' is a subclass of 'Place'. Which class can appear as the value of 'spatial reference' for instances of 'Absolute Place'?

A. Thing
B. Comprehensive Place
C. Atom
D. Composition

Answer: Thing