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

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

A. permafrost
B. distillation
C. anatomical structure
D. emissions from petroleum combustion

Answer: anatomical structure