Task: Property Constraint Reasoning (ontology: Earth_Environment/EnvironmentOntology)

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

A. animal manure product
B. utility line
C. urban pollution
D. anatomical structure

Answer: anatomical structure