Come back with a wager

Looking at the massive cock, you really don’t think you could survive two days impaled on that monster. Even so, you knew safe passage across this dangerous area would be invaluable. An idea comes to mind, maybe a glimmer of hope.

“Tell you what... how about a wager. Would you be up for that? A challenge of wits through riddles. You win, I ride as you want for the trip. But if I win, you’ll take me riding on your back to the city gates. Is that acceptable?”

The Centaur looks down at you with a smirk. “Oh? You are a clever little one. Tell you what...”