Assertion: dolphin | /r/HasAspect | sophisticated thought
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Source sentences:
text: Much of the fascination comes from our recognition of the dolphin 's deep intelligence and lively curiosity; in fact, modern science confirms ancient intuitions that dolphins and other cetaceans (aquatic, mainly marine mammals like whales) possess large and highly elaborated brains, sophisticated thought, demonstrable self-awareness, complex societies and multilayered cultures.