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

Suppose an individual ?x satisfies: TotSdN Ct(?x). Which conclusion is one valid inferred conclusion?

A. Seed shape - Estimation(?x)
B. Seed copper content - Measurement(?x)
C. Variable(?x)
D. TotSdDW M g(?x)

Answer: Variable(?x)