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 (ovary)'? Context: A pathologic primary tumor stage for ovary according to AJCC 7th edition indicating that the tumor is limited to both ovaries; capsule intact, no tumor on ovarian surface and no malignant cells in ascites or peritoneal washings.

A. generalization specification
B. free to use license
C. categorical value specification
D. Attribution clause

Answer: categorical value specification