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

Suppose an individual ?x satisfies: pathologic distant metastases stage for colon according to AJCC 7th edition(?x). Which conclusion is one valid inferred conclusion?

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

Answer: categorical value specification(?x)