Assertion: killer whale | /r/HasProperty | one species
Facets:
value: previously
type: TEMPORAL
Source sentences:
text: While killer whales were long considered to be one species, there now appear to be many species, or at least subspecies, of killer whales.
text: Orcas were long considered one species, but now it appears that there are several species (or at least, subspecies
text: Killer whales were long considered one species
text: Previously, killer whales had been regarded as one species, but researchers posit that there may be several species of killer whales, some of which are endangered as of 2014.