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.

The variant " Anne " was originally French , although it has been in use in English for hundreds of years .
Anna is in wide use in countries across the world as are its variants Anne , originally a French version of the name , though in use in English speaking countries for hundreds of years , and Ann , which was originally the English spelling .

The feral domestic pigeon is often called the " rock dove " : it is common in many cities .
The species most commonly referred to as " pigeon " is the species known by scientists as the rock dove , one subspecies of which , the domestic pigeon , is common in many cities as the feral pigeon .

Observations of the star S2 in orbit around Sagittarius A * were used to show the presence of the Milky Way 's central supermassive black hole .

Observations of a number of stars orbiting around Sagittarius A * , most notably the star S2 , have been used to provide evidence for the presence of , and produce data about , the Milky Way 's hypothesized central supermassive black hole , and have led some scientists to conclude that Sagittarius A * is beyond any reasonable doubt the site of that black hole .

