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

Suppose an individual ?x satisfies: secondary spermatocyte(?x). Which conclusion is one valid inferred conclusion?

A. bone element(?x)
B. premigratory neural crest cell(?x)
C. spermatocyte(?x)
D. yolk sac(?x)

Answer: spermatocyte(?x)