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

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

A. Observe and taste the raw storage root flesh and rate it
B. Observe the reaction to Flea beetles and rate it
C. Observe the reaction to Sweet potato wire worms and rate it
D. Observe the reaction to salinity and rate it. The reaction is estimated by observing the appearance of plants in response to soil with salinity levels of more 8 mm/cm

Answer: Observe the reaction to Flea beetles and rate it