A living rainbow, huh? [ He tries not to make a crack about leprechauns or look too impressed, but can't quite keep the keen interest off his face as both eyebrows shoot up. ]

What's a living rainbow do that's different from a normal rainbow?

[ They crest the hill, and below there's a pond. He can see the tree down by the water's edge, putting down roots and settling back into the dirt. ] What do you know? Looks like it already found a drink.