Determine a suitable paradigm $($i$.$e$.$ either state space or problem reduction$)$ to view each of the following problems.

I. A high school student who has just obtained his result is now considering which

university to go for his higher degree.

II$.$ A group of five travelers who has gone missing in a thick Southeast Asia jungle is finding

a way out of it$.$

III. There is an energetic young man with a mission to invest in the stock market. To do so

he needs to select a broker, open an account, and then start a trade.

IV$.$ A multi$-$national company is looking for highly capable candidates to be trained and

hired as its permanent staffs. Various skills will be considered and candidates who

possess all those skills will be selected