Assertion: penguin | /r/CapableOf | show sign
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Source sentences:
text: The Penguin received his alter-ego from a childhood taunt, bestowed by his peers, who teased him because of his grotesque appearance and love of birds (some re-tellings of his origin suggest he also suffered from some sort of hip ailment, which caused him to waddle when he walked; the Penguin shows no signs of suffering from this affliction today).