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

After reasoning over the ontology, which class is one valid inferred class for the instance 'pT1b (kidney)'? Context: A pathologic primary tumor stage for kidney according to AJCC 7th edition indicating that the tumor is more than 4 cm but not more than 7 cm.

A. categorical value specification
B. Fee-Based Commercial License
C. occurrent
D. document

Answer: categorical value specification