What's wrong with this code snippet?

Not everyone loves cheesetrue is a reserved word and, therefore, off-limitsVariables with that name can only store booleansWe can't assign strings to variables

Well, you're right! true isn't a valid variable name because it's a reserved word.  Ruby wouldn't recognize it as a variable, anyway.

Not quite! true isn't a valid variable name because it's a reserved word.  Ruby wouldn't recognize it as a variable, anyway.