. "106785367"^^ . "sticker"@en-us . "toughie"@en-us . . . "106368397"@en-us . . "06785367-n"^^ . "poser"@en-us . . . . "0"^^ . . . "105081875"@en-us . "stumper"@en-us . . . . "0.5"^^ . "poser"^^ . . . . . . . "a particularly difficult or baffling question or problem"@en-us . . . .