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

After reasoning over the ontology, which class is one valid inferred class for the instance 'pT4 (kidney)'? Context: A pathologic primary tumor stage for kidney according to AJCC 7th edition indicating that the tumor invades beyond Gerota fascia (including contiguous extension into the ipsilateral adrenal gland).

A. MAQC data
B. categorical value specification
C. Number of installations clause
D. Gene list

Answer: categorical value specification