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

After reasoning, which of the following classes is one valid superclass of 'Awn colour'?

A. LSpkltFert E 0to1
B. Grain Beta Glucan content - Measurement
C. Leaf Scald susceptibility
D. Barley trait

Answer: Barley trait