In this task, we ask you to elaborate the sentence without changing its general meaning. You can do so by explaining further the input sentence, using more precise wording, adding qualifiers and auxiliary information etc.

Pelagia noctiluca is a jellyfish .
Pelagia noctiluca is a jellyfish in the family Pelagiidae and the only currently recognized species in its genus .

French was the language of diplomacy and culture in Europe between the 17th and 19th century and is still widely used .
From the 17th to the mid-20th century , French served as the pre-eminent international language of diplomacy and international affairs as well as a lingua franca among the educated classes of Europe .

Miscegenation is the mixing of different racial groups with marriage , relationship , sexual relations , and procreation .

Miscegenation is a term given to the mixing of different racial groups through marriage , cohabitation , sexual relations , or procreation , particularly mixing that is perceived to negatively impact the purity of a particular race or culture .