Assertion: sperm bank's donor | /r/CapableOf | undergo frequent and rigorous testing
Facets:
Source sentences:
text: A donor must be a fit healthy male, normally between 18 to 45 years of age, who is willing to undergo frequent and rigorous testing and who is willing to donate his sperm so that it can be used to impregnate women who are unrelated to, and unknown by, him.
text: A donor must be a fit healthy male, normally between 18 and 45 years of age, who is willing to undergo frequent and rigorous testing and who is willing to donate his sperm so that it can be used to impregnate women who are unrelated to and unknown by him.