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

Which of the following definitions best describes 'Achene stripe colour class'?

A. Percentage of plants that are fully branched at stages r5-r9
B. Susceptibility to grasshopper, all sp. (1=resistant, 9=susceptible)
C. Susceptibility to all sp. of all sp of cutworm (1=resistant, 9=susceptible)
D. Observe achene stripes colour and rate it.

Answer: Observe achene stripes colour and rate it.