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

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

A. Date of full flowering(?y) ∧ scale of(?x, ?y)
B. Growing degree days estimation(?y) ∧ scale of(?x, ?y)
C. Harvest date - field observation(?y) ∧ scale of(?x, ?y)
D. Growing degree days estimation(?y) ∧ variable of(?x, ?y)

Answer: Growing degree days estimation(?y) ∧ scale of(?x, ?y)