What is it that given one, you'll have either two or none?
Common Wrong Answers
“A Coin”
While a coin has two sides, it does not represent the concept of having 'two or none' in the context of a decision or selection, which is central to the riddle.
“A Pair of Shoes”
A pair of shoes always consists of two items; you can't have 'none' if you possess a pair, making it incompatible with the riddle's theme.
“A Light Switch”
A light switch can be in an 'on' or 'off' position, but it does not embody the idea of making a choice between two distinct options, as the riddle suggests.
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