Assertion: killer whale | /r/CapableOf | send sound waves
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Source sentences:
text: Sending sound waves that travel underwater, killer whales use echolocation as a means for hunting.
text: Orcas send out sound waves that bounce off things and come back to them, giving them information like where they might find potential food, how far away it is, and how big it is.
text: Sending sound waves that travel underwater, killer whales use echolocation as a means for hunting.