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

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

A. apical ectodermal ridge formation
B. sulfur oxoacid derivative
C. anatomical structure
D. intracellular chemical homeostasis

Answer: anatomical structure