Assertion: american bison's horn | /r/HasProperty | present on sex
Facets:
Source sentences:
text: Horns are present on both sexes, but are usually wider, longer and less curved in bulls.
text: Horns: Short black horns are present in both the sexes.
text: Horns are present on both sexes, and are typically 60 to 75 cm (24 to 30 in) long.