Task: Property Constraint Reasoning (ontology: Sciences/Biology)

The property 'capable of' applies to instances of 'independent continuant', and 'hydrogen atom' is a subclass of 'independent continuant'. Which class can appear as the value of 'capable of' for instances of 'hydrogen atom'?

A. action potential
B. obsolete spinal cord neural fold
C. process
D. obsolete superficial feature part of temporal lobe

Answer: process