Assertion: penis's erection | /r/HasProperty | hard
Facets:
Source sentences:
text: The resulting erection is hard, full and straight.
text: Patients who are suffering from erectile dysfunction feel difficulty is getting erection (hard penis) or maintaining that erection.
text: Penis reaches its greatest strength, hard erection and form at the angle of 45-60° relative to the body at the age of 15-20 years