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

Suppose an individual ?x satisfies: StmDia Av (?x). Which conclusion is one valid inferred conclusion?

A. Variable(?x)
B. LfStR Comp r(?x)
C. Plant stand at emergence - Method(?x)
D. Foliar thrip damage - Method(?x)

Answer: Variable(?x)