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

Which of the following definitions best describes 'BBCH 87 evaluation'?

A. Assessment of the date when 40% of the crown fruits are mature (has changed color or is dried and dehiscent or has fallen)
B. Assessment of the date when 90% of the fruits reached their usual maximum size, but did not changed color yet
C. Assessment of the date when 70% of the crown fruits are mature (has changed color or is dried and dehiscent or has fallen)
D. The minimum value of a list of measured or computed values

Answer: Assessment of the date when 70% of the crown fruits are mature (has changed color or is dried and dehiscent or has fallen)