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

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

A. anatomical structure
B. establishment or maintenance of cell polarity
C. blood coagulation
D. amino acid binding

Answer: anatomical structure