Task: Inferred Class Relation Reasoning (ontology: Food_Agriculture/Crop_Ontology)

After reasoning, which of the following classes is one valid superclass of 'Black Rust plant response'?

A. PEarlyVig E 1to9
B. Barley trait
C. NetBloSev Cp pct
D. Grain plumpness fraction 2.8 mm

Answer: Barley trait