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

Which of the following definitions best describes 'Flower color method'?

A. Observe flower color and record it. It is recommended to observe the color on freshly recently open fowers.
B. Observe flower wings color and record it. It is recommended to observe the color on freshly recently open fowers.
C. Quantification of symptom development, Germination (V0) to Third trifoliate leaf (V4)
D. Quantification of symptom development, Pod Formation (R7), Pod filling (R8).

Answer: Observe flower color and record it. It is recommended to observe the color on freshly recently open fowers.