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

After reasoning, which of the following classes is one valid superclass of 'Grain plumpness fraction 2.8 mm'?

A. Barley trait
B. Pericarp colour
C. Grain Beta Glucan content - Measurement
D. PEarlyVig E 1to9

Answer: Barley trait