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

After reasoning, which of the following classes is one valid superclass of 'Auricle pigmentation'?

A. Barley trait
B. Powdery Mildew susceptibility - Estimation
C. Black Rust coefficient of infection
D. AuclePig E 1to9

Answer: Barley trait