Task: Class Definition Understanding (ontology: Sciences/Biology)

Which of the following definitions best describes 'abnormal erection'?

A. A spontaneous erection of the penis during sleep or when waking up.
B. A condition in which erection is painful.
C. Any sort of erectile behavior or process considered unhealthy or otherwise nonnormative.
D. A postmortem erection, technically a form of priapism, observed in the corpses of persons with penises who have been executed, particularly by hanging.

Answer: Any sort of erectile behavior or process considered unhealthy or otherwise nonnormative.