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

Suppose an individual ?x satisfies: Mature leaf: density of erect hairs between the main veins on lower side of blade(?x). Which conclusion is one valid inferred conclusion?

A. Inflorescence: insertion of 1st inflorescence(?x)
B. Mature leaf: length between the tooth tip of N2 and the tooth tip of the first secondary vein of N2(?x)
C. Rootstock callus(?x)
D. Morphological(?x)

Answer: Morphological(?x)