Assertion: semen's sperm | /r/HasProperty | cell
Facets:
Source sentences:
text: Sperm are the cells responsible for fertilizing eggs.
text: Sperm are actually the cells that fertilize an egg, whereas semen is the fluid in which they are passed to the female reproductive tract.
text: The sperm within the semen are the cells that actually fertilize the egg and are therefore the most important to assess.