Multiple choice general knowledge

Pick the odd one out from the following ? w.r.t. to (Media writing)

  1. Paper

  2. Pen

  3. Cryon

  4. Pencil

Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Paper is a surface you write on, while pen and pencil are tools you write with. 'Cryon' appears to be a typo (likely meant to be a writing tool like 'chalk'), but the logic remains: paper is the medium, not the instrument.