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

Suppose an individual ?x satisfies: Size75P Obser count(?x). Which conclusion is one valid inferred conclusion?

A. Preharvest fruit drop - measurement, weighting(?x)
B. Variable(?x)
C. Fruit sugar content(?x)
D. Number of apples showing sign of vitrescence(?x)

Answer: Variable(?x)