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

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

A. gyroresonance
B. provenance role
C. geometrical object
D. substorm

Answer: geometrical object