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

The property 'has plasma membrane part' applies to instances of 'material anatomical entity', and 'organism substance' is a subclass of 'material anatomical entity'. Which class can appear as the value of 'has plasma membrane part' for instances of 'organism substance'?

A. material anatomical entity
B. food additive
C. nymph stage
D. anatomical structure quality

Answer: material anatomical entity