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

Which of the following definitions best describes 'Hilum color'?

A. The number of nodule on the root system usually compared to wild type
B. Color of the soybean seed hilum (scar on the ovule produced by abscision of funiculus)
C. The diameter of the main stem of soybean plant
D. The form of the tip of a soybean pubescence

Answer: Color of the soybean seed hilum (scar on the ovule produced by abscision of funiculus)