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

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

A. Pedicel length(?x)
B. Beginning of pod maturity time (BBCH 81)(?x)
C. Seed Potassium content(?x)
D. Variable(?x)

Answer: Variable(?x)