Task: Class Definition Understanding (ontology: Food_Agriculture/Crop_Ontology)

Which of the following definitions best describes 'Visual estimation - Reaction of the plant to Scurf'?

A. Observe the reaction to Scurf and rate it
B. Observe the shape uniformity of the storage root and rate it
C. Observe the reaction of the storage root to Fusarium oxysporum and rate it. Observe an average or all fibrous roots within a single plant or plot
D. Observe and taste the raw storage root flesh and rate it

Answer: Observe the reaction to Scurf and rate it