Leaden' implies heavy and difficult to move, describing the sensation of fatigue in his legs.
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Scanning the passage: "The library is closed on Sundays and Mondays. On Tuesdays and Wednesdays, it stays open until 9 PM. On Thursdays, it closes at 5 PM," when does the library close on Thursdays?
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"The evidence provided was incontrovertible, leaving no room for further debate." What does 'incontrovertible' mean?