Saphaokan certainly not the saphaokan (Uncertainty) is probably aware of alternatives of the decision but failed to specify clearly that under the alternative to what effect.
Unstable situation (Uncertainty) is a situation that may be the choice of the decision, but can not speak. Under the alternative would result in anything.
The situation is uncertain (Uncertainty) was situations may be aware of the various choice of decision making but cannot identify clearly. Under the alternative to what?