Some situations are mysterious and can lead to many different outcomes depending on the player’s actions, their skill and luck. For example, there is and abandon ship, do you search it? If a player says yes, then if roll > 14 alien creatures on board attack otherwise players find 1d4 random items.
Advice or Aid
These are situations with an NPC who offer advice, heal the players or trade.
Challenges require the players need to use their skills to gain a reward.