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

The property 'farther than' applies to instances of 'distance', and 'rossby radius of deformation' is a subclass of 'distance'. Which class can appear as the value of 'farther than' for instances of 'rossby radius of deformation'?

A. lowland
B. distance
C. retro arc
D. state forest

Answer: distance