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

The property 'is specified data output of' applies to instances of 'data item', and 'data set' is a subclass of 'data item'. Which class can appear as the value of 'is specified data output of' for instances of 'data set'?

A. pathologic lymph node stage for lung according to AJCC 7th edition
B. clustered data set
C. software
D. specimen collection objective

Answer: software