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

The property 'has restoring force' applies to instances of 'wave', and 'traveling wave' is a subclass of 'wave'. Which class can appear as the value of 'has restoring force' for instances of 'traveling wave'?

A. diurnal movement
B. phenomena
C. tectonic assemblage
D. sustainable

Answer: phenomena