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

Suppose an individual ?x satisfies: PHT Avg cm(?x). Which conclusion is one valid inferred conclusion?

A. Variable(?x)
B. PODSIZE Scr 1to3(?x)
C. Days required to 50 % flowering(?x)
D. seed/pod(?x)

Answer: Variable(?x)