Answer:
What can you catch but not throw?
If all Wibbles are Criggles, all Borkins are Kwumblins, no Hoggles are Borkins, and all Criggles are Borkins, is it true that all Borkins are Criggles?
Only two backbones and thousands of ribs.
Do what he says and you'll be fine, don't and you lose the game.
Two horses, swiftest traveling, harnessed in a pair, and grazing ever in places. Distant from them.
I lose my head in the morning and regain back it at night.