Which sentence does not belong?

(1) Loch Ness is a long and very deep lake in Scotland. (2) Since the year 565, many people there have told of seeing a strange animal with a long, snakelike neck and a small head. (3) Most of those who have seen it say the Loch Ness Monster is dark, has a hump like a camel, and is about 50 feet long. (4) Camels live in desert regions and can go long periods of time without drinking water.
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