Assertion: walrus's tusk | /r/CapableOf | erupt in male
Facets:
value: on extremely rare occasions
type: TEMPORAL
Source sentences:
text: The way that females know how a male has reached sexual maturity is by the eruption of tusks in the male since tusks erupt in males when testosterone levels reach a high enough level.
text: On extremely rare occasions, two tusks may erupt in males or a single tusk may erupt in females.