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

Suppose an individual ?x satisfies: Appearance method(?x). Which composite conclusion is inferred?

A. m(?y) ∧ method of(?x, ?y)
B. Rotten tubers in a plot number-counting(?y) ∧ method of(?x, ?y)
C. Boiled yam surface black points presence(?y) ∧ variable of(?x, ?y)
D. Boiled yam surface black points presence(?y) ∧ method of(?x, ?y)

Answer: Boiled yam surface black points presence(?y) ∧ method of(?x, ?y)