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

Suppose an individual ?x satisfies: ufra incidence scale(?x). Which conclusion is one valid inferred conclusion?

A. Ordinal(?x)
B. vegetative cold injury scale(?x)
C. whitebacked planthopper injury scale field(?x)
D. panicle exsertion scale(?x)

Answer: Ordinal(?x)