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

After reasoning, which of the following classes is one valid superclass of 'Malt hot water extract'?

A. Barley trait
B. Grain Beta Glucan content - Measurement
C. Lemma pigmentation - Estimation
D. Lemma surface type - Estimation

Answer: Barley trait