Complex sentence: The English libretto by Arthur Wimperis and Lauri Wylie is based on the Hungarian libretto by Franz Martos about a young princess who accepts a proposal of marriage from the elderly king of a neighboring country as protection against an uprising by her own subjects.
Split into simpler sentences: The English libretto by Arthur Wimperis and Lauri Wylie is based on the Hungarian libretto by Franz Martos. The story concerns a young princess who accepts a proposal of marriage from the elderly king of a neighboring country as protection against an uprising by her own subjects.