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# System prepended metadata

title: proofread version

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# proofread version

During the spring break of NTU, the class leader of CSIE, NeVeR_LosEs (abbreviated NL), along with his friends, went hiking and camping in a remote campsite in Hualien. So mischievous is NL that he invited his friends to go on an adventure in an attempt to discover some unknown places. They strolled all the way out of the camp zone and found a mysterious cave with some illegible handwriting bearing some resemblance to an archaic cuneiform. Discovering deeper into the cave, they missed the way back, but fortunately, a dictionary was hidden under the subterranean lake in the midst of the cave. Scrutinizing the dictionary, NL found out that it is not only a thesaurus but also a record of ancient aboriginals who discovered this secret safe place to avoid their archenemy. To prevent further pursuit from their enemies or their descendants, they carved some sentences on the path in the cave. To distinguish the correct one to the outer world, it is indicated on the dictionary that the correct paths are the ones with synonyms at both sides of the path, while the path to the dead end is not. Please help NL and his friends to find the way out! NL, however, is too lazy to check the inscriptions on the wall and search in the book simultaneously, so he would determine the synonym based on his knowledge, what he memorized when there are no writings on the path, only.

