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

Suppose an individual ?x satisfies: male germ line stem cell(?x). Which conclusion is one valid inferred conclusion?

A. female germ line stem cell(?x)
B. somatic stem cell(?x)
C. germ line stem cell(?x)
D. type IV taste receptor cell(?x)

Answer: germ line stem cell(?x)