Welcome to the topic model game!
In this game, you will be presented with sets of each six words. One of these six words does not fit with the others.

Find the word that does not fit with the other words!

air pollution power blood environmental nuclear
In this case, blood is the unrelated term. However, the unrelated term might not always be as easy to find as in this example.
You are now ready to play.

> Start the game