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

Suppose an individual ?x satisfies: 17β-estradiol(?x). Which conclusion is one valid inferred conclusion?

A. 17β-hydroxy steroid(?x)
B. estradiol(?x)
C. 17α-ethynylestradiol(?x)
D. oral estradiol(?x)

Answer: estradiol(?x)