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whatever whomever whichever whoever
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indirect but enthusiastic direct but passionate ambiguous but calm definite but indifferent
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man will eventually be controlled by machines machines will eventually be controlled by man man is sometimes deceived by machines machines often rush into human brains
a piece of cake a piece of work a piece of junk a valuable machine
cooker, typewriter cook, typist cooker, typist cook, typewriter
ought to should would must
that with which that by that
typewriter typist surgeon pilot
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however therefore yet although
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that with which that by that
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