Compare the student text with the source.
Source: Jennifer Armstrong, Shipwreck at the Bottom of the World, page 2. Published by Crown, 1998:
Antarctica had never even been sighted before the nineteenth century. Until then it was a rumor, an undefined, unseen question mark shrouded in fog and surrounded by ice.
Student text:
Prior to the nineteenth century, Antarctica was just a rumor, an undefined, unseen question mark shrouded in fog and surrounded by ice (Armstrong 2).
Is the student text plagiarized?
No, it is not plagiarized.
Yes, because it fails to use quotation marks.
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