Task: Property Constraint Reasoning (ontology: Earth_Environment/SWEET)

The property 'spatial relation' applies to instances of 'geometrical object', and 'peak' is a subclass of 'geometrical object'. Which class can appear as the value of 'spatial relation' for instances of 'peak'?

A. spatial configuration
B. speed state
C. electromagnetic radiation property
D. geometrical object

Answer: geometrical object