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

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

A. StemWid M cm(?x)
B. Sclerotinia incidence (diseased) - Counting(?x)
C. Variable(?x)
D. lodging E 0to9(?x)

Answer: Variable(?x)