Problem: S1: Although discovered in 1888 by Samuel Alejandro Lafone Quevedo , the ruins were first studied in 1897 by the archaeologist Juan Bautista Ambrosetti .
S2: Although the ruins were examined in 1888 by Samuel Alejandro Lafone Quevedo , they were first discovered in 1897 by the archaeologist Juan Bautista Ambrosetti .

Do S1 & S2 convey the same information?

A: no

Problem: S1: She also closed for Shiatzy Chen , Yves Saint Laurent , Karl Lagerfeld and Alexander McQueen , and opened for Prada , Costume National and Louis Vuitton .
S2: It also closed for Shiatzy Chen , Yves Saint Laurent , Karl Lagerfeld and Alexander McQueen and opened for Prada , Costume National and Louis Vuitton .

Do S1 & S2 convey the same information?

A: yes

Problem: S1: This world game is made for the Germans and has certainly played the pressure of international authority .
S2: This international game is made for the Germans and has certainly played the pressure of global authority .

Do S1 & S2 convey the same information?

A:
yes