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.

Ex Input:
French was the language of diplomacy and culture in Europe between the 17th and 19th century and is still widely used .

Ex Output:
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 .

Ex Input:
During the American Civil War , the river , with few convenient fords and fewer bridges , provided a barrier and defensive line .

Ex Output:
During the American Civil War , the river , with few convenient fords and fewer bridges , provided a barrier and defensive line behind which movements of troops could be accomplished with little fear of attack from the river-side flank .

Ex Input:
Amateur radio operators try to talk with as many others as possible .

Ex Output:
Many amateur radio operators participate in radio contests , during which an individual or team of operators typically seek to contact and exchange information with as many other amateur radio stations as possible in a given period of time .