Assertion: otter | /r/CapableOf | use tool
Facets:
value: for millions of years
type: TEMPORAL
Source sentences:
text: Not all otters use tools, but sea otters use them all the time.
text: While many scientists believe that tool use among dolphins is a relatively new phenomenon, a 2017 study published in Biology Letters suggests that otters may have been using tools for millions of years.
text: Like some species of crows and primates, otters have been observed using tools.
text: Otters use tools