Problem: S1: Earl of Selkirk is a title in the Peerage of Scotland , whose descent is subject to unique ( and unusual ) provisions .
S2: Earl of Selkirk is a title in the Peerage of Scotland . Its descent is subject to unusual ( and unique ) provisions .

Do S1 & S2 convey the same information?

A: yes

Problem: S1: Antrim County is a civil community of the Helena Township in the U.S. state of Michigan .
S2: Antrim County is a civil township of Helena Township in the U.S. state of Michigan .

Do S1 & S2 convey the same information?

A: yes

Problem: S1: El Elk Township is located in the 3rd Congressional District and is part of the 2nd State Legislative District in New Jersey .
S2: El Elk Township is located on the 2nd Congressional District and is part of the 3rd State Legislative District in New Jersey .

Do S1 & S2 convey the same information?

A:
no