Task: Instance Class Understanding (ontology: Sciences/Computer_Science)

Which of the following classes does 'FCS' belong to as one valid explicit type? Context: FCS is a format standard of a digital entity that is conformant with the Flow Cytometry Data File Standard.(http://www.fcspress.com/)

A. Number of users clause
B. material transformation objective
C. data format specification
D. version name

Answer: data format specification