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

After reasoning, which of the following classes is one valid superclass of 'Spikelet Fusarium Head Blight incidence'?

A. BwnRustSev E 0to100
B. Peduncle length
C. Barley trait
D. Rachis brittleness

Answer: Barley trait