Task: SWRL-based Rule Reasoning (ontology: Food_Agriculture/Crop_Ontology)

Suppose an individual ?x satisfies: PlntPN Ct pod(?x). Which conclusion is one valid inferred conclusion?

A. Oleic acid concentration - Measurement(?x)
B. Seed protein content - Measurement(?x)
C. Variable(?x)
D. SdN Ct perplant(?x)

Answer: Variable(?x)