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

Suppose an individual ?x satisfies: GrSizUsorMark CompRank Rk3(?x). Which conclusion is one valid inferred conclusion?

A. Variable(?x)
B. YLDPLOT(?x)
C. 7 classes(?x)
D. Branching density 5-10 - Shovelomics Method(?x)

Answer: Variable(?x)