Select the most appropriate meaning of the given Idiom: "A mare’s nest"

Nest of a rare bird Full of problems A false invention illusion A trick of magic

A false invention illusion

The correct answer is option 3- A false invention illusion. "A mare's nest" is an idiom used to describe a situation or idea that appears to be important, significant, or impressive at first glance, but upon closer examination, turns out to be false, imaginary, or nonsensical.