Originally Posted by MicahFFX
Just a comment on their. It's actually not uncommon to see "their" used in logic problems as a singular non-gender pronoun. It is equivalent to saying "his or her" when the gender is unknown (and that is listed in some dictionary definitions). Putting a gendered pronoun (her or his) could lead to clues that let us eliminate all the male or female sounding names because "The 3rd person had peppermint for her first scoop."
Yes, and I have no problem with "their" in those cases. It's just when the gender is already specified (like in the example I gave above) that it sounds bad.