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

After reasoning over the ontology, which class is one valid inferred class for the instance 'XML'? Context: XML is a format standard of a digital entity that is conformant with the W3C Extensible Markup Language Recommendation.(http://www.w3.org/XML/)

A. clause
B. directive information entity
C. software interface
D. document

Answer: directive information entity