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

The property 'is implemented by' applies to instances of 'algorithm', and ''Smith-Waterman'' is a subclass of 'algorithm'. Which class can appear as the value of 'is implemented by' for instances of ''Smith-Waterman''?

A. software
B. LOINC RELMA Terms of Use
C. material transformation objective
D. k-means clustering

Answer: software