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

The property 'biomechanically related to' applies to instances of 'anatomical structure', and 'regenerating anatomical structure' is a subclass of 'anatomical structure'. Which class can appear as the value of 'biomechanically related to' for instances of 'regenerating anatomical structure'?

A. sleep
B. anatomical structure
C. organ growth
D. immune response

Answer: anatomical structure