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

Suppose an individual ?x satisfies: SLAP Calc cm2 Tptreat(?x). Which conclusion is one valid inferred conclusion?

A. Plant peg number(?x)
B. GB adt cnt(?x)
C. Plant size - Method(?x)
D. Variable(?x)

Answer: Variable(?x)