Task: Inferred Instance Class Reasoning (ontology: Sciences/Computer_Science)

After reasoning over the ontology, which class is one valid inferred class for the instance 'tar'? Context: tar is a format standard of a digital entity that is conformant with the tape archive file format as standardized by POSIX.1-1998, POSIX.1-2001, or any other tar format compliant with the GNU tar specification. (http://www.gnu.org/software/tar/manual/)

A. document
B. symbol
C. datum label
D. directive information entity

Answer: directive information entity