Problem: S1: The volumes 5 and 6 were published by DeVorss ' Co postum from various articles that Spalding had written .
S2: Volumes 5 and 6 were published by DeVorss & Co posthumously from various articles that Spalding had written .

Do S1 & S2 convey the same information?

A: yes

Problem: S1: When Aaron asked him to play the new band guitar , Russ agreed .
S2: When Aaron asked him to play guitar in the new band , Russ agreed .

Do S1 & S2 convey the same information?

A: yes

Problem: S1: Kumutrampatti is a small village near Madurai District ( Tor to Kottampatti ) in Tamil Nadu .
S2: Kumutrampatti is a small village near Kottampatti ( gateway to the Madurai District ) in Tamil Nadu .

Do S1 & S2 convey the same information?

A:
no