Hey Mint-Rabbit, thanks for your question, and sorry it took us a few to get back to you.
The various facets of your character should inform what your character would do, and what is possible for them. For instance, if you're playing a rebellious bad boy, you probably shouldn't roll to try to trick a teacher into thinking you're going to follow the rules and behave (even though there is nothing mechanically stopping you, and the only thing narratively stopping you is your character's self). Likewise, if you have superstrength, you can roll to punch down an adamantium wall, and don't need to roll to punch through a common masonry wall. If your power is teleportation instead, you'd have to roll for punching through drywall, and masonry is out of the question unless you have a sledgehammer and some time to kill.
It's a very light game, and the dice table produces a flat distribution. The further you get from 50/50 probabilities, the more likely it is you and the rest of the participants should just dictate the outcome that makes the most sense and tells the best story.
Hope that helps. If you have any other questions or need further clarity, we're here for you!
