"Ah. Schools are like that, sometimes." Her answer seems to have been a good enough one for the Doctor, anyway, as his brain is already going a mile a minute in seventeen different directions. He wonders for a moment if he's seen her before... you know, she bears a striking resemblance to... oh, well, never mind, let's have a look at this, and he murmurs a quick "Pardon me," as he steps past her to get a closer look at the sphere. If it's still emitting bubbles they'll quickly end up adorning his hair.

"This workmanship, it almost looks Gallifreyan... bit of a Dronian influence... touch of Venice, 1765..." He'll blither like that for a while if you don't say something.