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

The property 'uses software' applies to instances of 'software', and 'Clustal' is a subclass of 'software'. Which class can appear as the value of 'uses software' for instances of 'Clustal'?

A. support vector machine
B. Facebase Data Access Policy
C. software
D. Attribution required

Answer: software