Assertion: emperor penguin | /r/HasProperty | excellent swimmers
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Source sentences:
text: Emperor penguins are excellent swimmers, reaching speeds up to 3.4 meters per second.
text: Emperor penguins are magnificent divers and swimmers.
text: Emperor penguins are great swimmers!
text: Sneaking up behind one allows it to wish it could fly, however … The emperor penguin is a great traveler.
text: Fact 7: Emperor penguins are excellent breath-holders: While most penguin species can hold their breath for 2 to 3 minutes underwater, but, the large and mighty Emperor penguin can hold its breath for up to 20 minutes under water!
text: Emperor penguins are excellent swimmers.