Tolkien was not sure
... that Tolkien was not sure if Orcs were made of slime or were corrupted Elves?
... that <b id="mwAkI"><a class="mw-redirect" href="./Tolkien's_sentience_dilemma" id="mwAkM" rel="mw:WikiLink" title="Tolkien's sentience dilemma">Tolkien was not sure</a></b> if <a href="./Orc" id="mwAkQ" rel="mw:WikiLink" title="Orc">Orcs</a> were made of slime or were corrupted <a href="./Elves_in_Middle-earth" id="mwAkU" rel="mw:WikiLink" title="Elves in Middle-earth">Elves</a>?