With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Elephants are highly intelligent.
text_B: Most contemporary ethologists view the elephant as one of the world 's most intelligent animals .. ethologists. ethology. elephant. elephant. With a mass of just over 5 kg -LRB- 11 lb -RRB- , an elephant 's brain has more mass than that of any other land animal , and although the largest whales have body masses twenty times those of a typical elephant , a whale 's brain is barely twice the mass of an elephant 's brain .. elephant. elephant. whale. whale. In addition , elephants have a total of 300 billion neurons .. Elephant brains are similar to humans ' in terms of general connectivity and areas .. The elephant cortex has as many neurons as a human brain , suggesting convergent evolution .. elephant. elephant. cortex. cerebral cortex. convergent evolution. convergent evolution. Elephants manifest a wide variety of behaviors , including those associated with grief , learning , mimicry , play , altruism , use of tools , compassion , cooperation , self-awareness , memory , and communication .. grief. grief. mimicry. mimicry. altruism. altruism. use of tools. Tool use by animals. compassion. compassion. cooperation. cooperation. self-awareness. self-awareness. memory. memory. communication. Animal communication. Further , evidence suggests elephants may understand pointing  : the ability to nonverbally communicate an object by extending a finger , or equivalent .. pointing. List of gestures. nonverbally communicate. Nonverbal communication. Such behaviors suggest that elephants are highly intelligent ; it is thought they are equal with cetaceans and primates in this regard .. cetaceans. cetaceans. Due to such claims of high intelligence and due to strong family ties of elephants , some researchers argue it is morally wrong for humans to cull them .. cull. cull. The Ancient Greek philosopher , Aristotle , once said that the elephant was `` the animal which surpasses all others in wit and mind . ''. elephant. elephant. Ancient Greek philosopher. Ancient Greek philosophy. Aristotle. Aristotle. However , a few elephant researchers , and some ethologists , point to experimental and anecdotal evidence which appear to contradict the view that elephants are self-aware , can think , and possess a theory of mind .. ethologists. ethology. elephant. elephant. self-aware. Mirror test. theory of mind. Theory of mind in animals
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