You are playing a collaborative word guessing game in which you have to describe a target word for another player to guess.

Rules:
(a) You have to reply in the form: CLUE: <some text>. Guesses from the other player will start with GUESS.
(b) You cannot use the target word itself, parts or morphological variants of it in your description.
(c) In addition, the same rules apply for related words which are provided below.

End conditions:
(i) If you use the target word or a related word in your description, then you lose.
(ii) If the other player can guess the target word in 3 tries, you both win.

Let us start.

This is the target word that you need to describe and that the other player needs to guess:

envelope

Related words are:

- package
- wrapper
- mail

Important: You are under time pressure, give short descriptions that are to the point!
CLUE: A flat paper object that can hold a letter or document.
assistant
CLUE: envelope
Guesses from the other player will start with GUESS.
You have a large envelope in your possession. It is not a normal envelope, but rather one that has been used for some purpose. The envelope is made of wood and has a small opening at the top. Inside the envelope, there are several pieces of paper, including a piece of mail and a piece of package. The mail is written in English and the package is written in French.
You have also found
assistant