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

Which of the following definitions best describes 'BBCH 98 evaluation'?

A. Assessment of the date when the first fruits reached their usual maximum size, but did not changed color yet
B. Assessment of the date when 80% of the foliage turned color (color range depending) or fell
C. Assessment of the date when at least 10% of the shoots show signs of growth arrest (appearance of morphological markers)
D. Assessment of the date when 40% of the foliage turned color (color range depending) or fell

Answer: Assessment of the date when 80% of the foliage turned color (color range depending) or fell