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

Suppose an individual ?x satisfies: PH E 1to8(?x). Which conclusion is one valid inferred conclusion?

A. SCI M g100sd(?x)
B. Variable(?x)
C. Fruit branch node number(?x)
D. SFCHVI M pct(?x)

Answer: Variable(?x)