What do these sentences have in common?

Question

1) Perfect opinions use no deadlines.
2) Doctors originally lose love around royalty.
3) Yellow engines nominate.
4) Friends realise any nonsense comes.
5) Even unusual rags overcome.

Answer 1

Combine the first letters of each word to form a type of currency:

1) P.O.U.N.D.
2) D.O.L.L.A.R.
3) Y.E.N.
4) F.R.A.N.C.
5) E.U.R.O.

Answer 2

Each word's starting letter in each sentence spell a currency: Ex. "pound," "dollar," "yen," "franc," and "euro."