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

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

A. PPDB Academic License
B. substance unit
C. clinical tumor stage group according to AJCC 7th edition
D. software

Answer: software