Task: SWRL-based Rule Reasoning (ontology: Sciences/Computer_Science)

Suppose an individual ?x satisfies: clinical tumor stage group according to AJCC 7th edition(?x). Which conclusion is one valid inferred conclusion?

A. International Federation of Gynecology and Obstetrics ovarian cancer stage value specification(?x)
B. pathologic lymph node stage for lung according to AJCC 7th edition(?x)
C. pathologic primary tumor stage for colon and rectum according to AJCC 7th edition(?x)
D. categorical value specification(?x)

Answer: categorical value specification(?x)