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

The property 'relation between physical entity and a process or stage' applies to instances of 'independent continuant', and 'farnesane' is a subclass of 'independent continuant'. Which class can appear as the value of 'relation between physical entity and a process or stage' for instances of 'farnesane'?

A. occurrent
B. obsolete RoL2c
C. obsolete caudal fin lepidotrichium
D. obsolete pigment cell

Answer: occurrent