Assertion: killer whale | /r/HasProperty | false killer whales
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Source sentences:
text: Killer whales are also one of the small number of species—along with human beings (Homo sapiens), short-finned pilot whales (Globicephala macrorhynchus), false killer whales (Pseudorca crassidens), belugas (Delphinapterus leucas), and narwhals (Monodon monoceros)—that experience menopause (that is, the stoppage of ovulation prior to the end of their natural lives).
text: Killer whales are marine mammals belonging to the family Delphinidae, formed by several species of dolphins, false killer whales and pilot whales.