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

Which of the following definitions best describes 'Faba bean yellow mosaic virus susceptibility - Estimation'?

A. Observe the plant susceptibility to FBYMV, and rate it from immune/resistant to susceptible.
B. Observe the plant susceptibility to powdery mildew, and rate it from immune/resistant to susceptible.
C. Record date of emergence.
D. Observe the severity of Ascochyta blight, and rate it.

Answer: Observe the plant susceptibility to FBYMV, and rate it from immune/resistant to susceptible.