Applejack's eyes almost bulge. What are apples? WHAT ARE APPLES?

"What are apples?" She's surprised, but she has a chance here. Galloping right over to the nearest tree, she kicks just hard enough (a fraction of her usual strength) to dislodge a single apple. It's not quite ripe yet, but it should be good enough.

"This is an apple," she explains, kicking it up so that it flies at his hand. "One of the greatest little fruits you'll ever see."