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

After reasoning over the ontology, which class is one valid inferred class for the instance '0: asymptomatic'? Context: An Eastern Cooperative Oncology Group score value specification indicating a patient is asymptomatic.

A. pathologic primary tumor stage for ovary according to AJCC 7th edition
B. histologic grade according to AJCC 7th edition
C. performance status value specification
D. histologic grade according to the Fuhrman Nuclear Grading System

Answer: performance status value specification