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

Suppose an individual ?x satisfies: RnWR Et 1to9(?x). Which conclusion is one valid inferred conclusion?

A. Visual estimation - Storage root latex production. Amount of latex observed after cross sectioning medium-sized storage roots(?x)
B. Visual estimation - Storage root flesh distribution of secondary color(?x)
C. Storage roots yield(?x)
D. Variable(?x)

Answer: Variable(?x)