Problem: S1: The constituency is in Swansea Bay , situated on the right bank of the River Afan , near its mouth in South Wales .
S2: The constituency is located in Swansea Bay , on the right bank of the River Afan , near its mouth in South Wales .

Do S1 & S2 convey the same information?

A: yes

Problem: S1: However , Serena decides to keep this truth for a little longer from Dan .
S2: However , Dan Dan decides to keep this truth a little longer from Serena .

Do S1 & S2 convey the same information?

A: no

Problem: S1: In 2006 , Francois Bozize was appointed President of the Council of State by President Bozanga .
S2: In 2006 , Bozanga was appointed President of the Council of State by President Francois Bozize .

Do S1 & S2 convey the same information?

A:
no