Problem: S1: The photoelectric records were made by a partial reversal of the Tri-Ergon process , which was used to encode the audio track in the first place .
S2: The Tri-Ergon records were made by a partial reversal of the photoelectric process used to encode the sound track in the first place .

Do S1 & S2 convey the same information?

A: no

Problem: S1: After the Constitution of the United States was adopted in 1789 , the United States Bill of Rights was ratified in 1791 .
S2: After the constitution of the United States was adopted in 1789 , the Bill of Rights of the United States was ratified in 1791 .

Do S1 & S2 convey the same information?

A: yes

Problem: S1: The station is located at Rade Station , south of Oslo Central Station and north of Moss Station .
S2: The station is located from Oslo Central Station , to the south of Moss Station and north of Rade Station .

Do S1 & S2 convey the same information?

A:
no