Problem: S1: In a concelebrated Mass , this prayer and the following are said by individual concelebrants .
S2: This prayer and the following are concelebrated by individual concelebrants in a said fair .

Do S1 & S2 convey the same information?

A: no

Problem: S1: The black suit was largely replaced by the dark blue or grey suit in the 20th century .
S2: The grey suit was largely replaced in the 20th century by the dark blue or black suit .

Do S1 & S2 convey the same information?

A: no

Problem: S1: She sailed over Rio de Janeiro and arrived in Sydney on September 14 .
S2: She sailed over Sydney and arrived on 14 September in Rio de Janeiro .

Do S1 & S2 convey the same information?

A:
no