Doors?

Riddle: A man is driving along and sees three doors: a diamond door, a ruby door, and an emerald door. Which does he open first?

Answer: his car door

Source: https://www.riddles.com/index.php/10085

A man is driving along and sees three doors: a diamond door, a ruby door, and an emerald door. Which does he open first? — doors? by Michaela v1.

Riddle: A man is driving along and sees three doors: a diamond door, a ruby door, and an emerald door. Which does he open first? Answer: his car door — by Michaela v2.