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

Suppose an individual ?x satisfies: SdN SdNcnt n(?x). Which conclusion is one valid inferred conclusion?

A. Seed yield(?x)
B. Variable(?x)
C. Seed total sugar content(?x)
D. Forage dry matter(?x)

Answer: Variable(?x)