TASK DEFINITION: In this task, you're given a sentence and your task is to generate a simplified sentence that focuses on lexical paraphrasing from the original sentence given in the input.
PROBLEM: in architectural decoration small pieces of colored and iridescent shell have been used to create mosaics and inlays , which have been used to decorate walls , furniture and boxes.

SOLUTION: small pieces of colored and iridescent shell were used to create mosaics and inlays on walls , furniture and boxes.

PROBLEM: the official municipality key , formerly also known as the official municipality characteristic number or municipality code number , is a number sequence for the identification of politically independent municipalities or unincorporated areas.

SOLUTION: formerly known as the official municipality chaacteristic number or municipality code number , the official municipality key is a number that identifies municipalities or unincorporated areas.

PROBLEM: in the years before his final release in 1474 , when he began preparations for the reconquest of wallachia , vlad resided with his new wife in a house in the hungarian capital.

SOLUTION:
vlad and his new wife resided in the hungarian capital where he made plans to reta.