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

Suppose an individual ?x satisfies: Boiled yam whiteness scale 0-100(?x). Which conclusion is one valid inferred conclusion?

A. End of seeds germination time estiamtion in yy/mm/dd(?x)
B. Pollinated spikes number(?x)
C. cm(?x)
D. Variable(?x)

Answer: Variable(?x)