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

The property 'regulated by' applies to instances of 'process', and 'regulation of skeletal muscle contraction by action potential' is a subclass of 'process'. Which class can appear as the value of 'regulated by' for instances of 'regulation of skeletal muscle contraction by action potential'?

A. process
B. obsolete supraoccipital
C. obsolete regional part of tuberomammillary nucleus
D. obsolete regional part of oculomotor nuclear complex

Answer: process