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

Suppose an individual ?x satisfies: SMnC M mgkg(?x). Which conclusion is one valid inferred conclusion?

A. Herbicide susceptibility - Estimation(?x)
B. Variable(?x)
C. Chocolate spot severity - Estimation - T2(?x)
D. Standard petal colour - Estimation(?x)

Answer: Variable(?x)