Done. Removed 10 polysemous prepositions:
βββββββββββ¬βββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββ
β Removed β Why β
βββββββββββΌβββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββ€
β on β surface vs temporal ("on the table" vs "on Monday") β
βββββββββββΌβββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββ€
β at β location vs time ("at school" vs "at noon") β
βββββββββββΌβββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββ€
β for β recipient vs duration vs purpose β
βββββββββββΌβββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββ€
β by β agent vs proximity vs means β
βββββββββββΌβββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββ€
β over β spatial vs quantity ("over the fence" vs "over ten") β
βββββββββββΌβββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββ€
β into β movement vs transformation ("into the room" vs "turn into") β
βββββββββββΌβββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββ€
β against β contact vs opposition ("lean against" vs "fight against") β
βββββββββββΌβββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββ€
β behind β spatial vs support ("behind the house" vs "behind the project") β
βββββββββββΌβββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββ€
β before β temporal vs spatial/formal ("before noon" vs "before the judge") β
βββββββββββΌβββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββ€
β after β temporal vs politeness ("after lunch" vs "after you") β
βββββββββββ΄βββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββ