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

The property 'is alternative format of' applies to instances of 'data format specification', and 'web page specification' is a subclass of 'data format specification'. Which class can appear as the value of 'is alternative format of' for instances of 'web page specification'?

A. Genome annotation
B. Annotation data packages
C. Number of installations clause
D. data format specification

Answer: data format specification