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

After reasoning over the ontology, which class is one valid inferred class for the instance 'pN0 (colon)'? Context: A pathologic lymph node stage for colon and rectum according to AJCC 7th edition indicating no regional lymph node metastsis.

A. categorical value specification
B. Graph plot
C. image
D. version name

Answer: categorical value specification