Assertion: male narwhal | /r/HasAspect | tusk
Facets:
value: mostly
type: DEGREE
value: in a few rare cases
type: TEMPORAL
value: occasionally
type: DEGREE
Source sentences:
text: Almost all male narwhals have a tusk, but only about 15 percent of female narwhals do.
text: Very occasionally a male will grow two tusks, one from each side though the right tusk also has a left hand spiral rather than being a mirror image as might be expected, around 1 in 500 male narwhals have two tusks.
text: Occasionally a male narwhal will have 2 tusks.
text: While most male narwhals have one tusk, in a few rare cases they can have two!
text: Most male narwhals have a tusk, but sometimes females will also grow a small one.
text: Mostly male narwhals have a tusk, so it is not necessary for narwhals’ survival.
text: Instead, male narwhals have a single long, straight tooth (or tusk) that protrudes two to three meters out of the upper left jaw.
text: Male narwhals have tusks.
text: About one in 500 males narwhals has two tusks.