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

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

A. MCR algorithm
B. Gamma-Gamma hierarchical model
C. operating system
D. Complex Estimation Algorithm

Answer: operating system