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

Do S1 & S2 convey the same information?

A: yes

Problem: S1: The additional characters released as DLC in Japan were paid as part of the game in the West .
S2: The additional characters published in Japan as paid DLC were released as part of the game in the West .

Do S1 & S2 convey the same information?

A: no

Problem: S1: HESA , the Higher Education Statistics Agency , assigns a unique number to students . Many universities have their own system of student numbering .
S2: HESA , the Higher Education Statistics Agency , assigns students a unique number , many universities have their own system of students - numbering .

Do S1 & S2 convey the same information?

A:
yes