What is ginger cut into 4 pieces?

Ginger cut into four pieces is ginger, ginger, ginger, ginger. This is a cold joke. The answer is a common phenomenon in life. Cut a piece of ginger into four pieces, so it's ginger, ginger, ginger. But this kind of cold joke sometimes makes people laugh, and the listener will laugh because he is fooled.

A cold joke means that the joke itself can't achieve the funny purpose because of boring, homophonic words, translation, or omitting the theme, different logic, judgment or special content, or because of the performer's tone or expression. But it doesn't mean that the joke itself is boring, which is also a manifestation of humor.