Instruct: Classify an Amazon review into positive or negative sentiment.
Query: excellent for those who have ventured into the game.

If you are a first-timer, this will have sections that may be difficult to understand, but once you enter the game it will open things up. It allows you to play at any level with players of other levels without feeling like the novice is totally out of his/her league. I found it helped considerably when we started to advance into creating Mechs, terrain and scenarios.