Sentence 1: His brother Giovanni Ludovico Bianconi was a neoclassical doctor , art historian and bookseller who was a close friend of Winckelmann .
Sentence 2: His brother Winckelmann was a neoclassical doctor , art historian and bookseller who was a close friend of Giovanni Ludovico Bianconi .

Do these two sentences convey the same information?

Available choices:
* no.
* yes.
no