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:

invasion

Related words are:

- incursion
- raid
- foray

Important: You are under time pressure, give short descriptions that are to the point!
CLUE: An organized military action to enter and take control of another's territory by force. Guesses from the other player will start with GUESS.
assistant
CLUE: A military action involving a sudden and aggressive entry into another territory. Guesses from the other player will start with GUESS.<|end|>
assistant
GUESS: Invasion<|end|>
user
CLUE: A large-scale military operation where forces enter a region to establish control, often associated with historical events involving multiple countries. Guesses from the other player will start with GUESS.<|end|>
assistant
GUESS: Campaign<|end|>
user
CLUE: A series of coordinated military actions or maneuvers aimed at achieving a specific strategic goal, not necessarily involving the occupation of territory. Guesses from the other player will start with GUESS.<|end|>
assistant