Collect 'Em All

Professor Gift: Ah... one of you. I see you've mistakenly clicked on the wrong story, if you've taken this route. Here, perhaps this will aid your understanding of the situation you've placed yourself in. Make sure to put it back on the table once you've finished. The door will lock on you're way out.

You pick up the book. It's a dictionary. A bookmark has already been placed in the book, a little before the middle. You open it up and scroll down to the section highlighted in green.

"It": (1.) noun. -- A thing or object that is qualified as being neither male nor female.
(2.) noun -- A fool who didn't take basic English or Sex Education class in school.
End Of Story