Problem: S1: He also continued in this position when Winston Churchill came to power in 1940 , and was then Churchill 's general postmaster between 1943 and 1945 .
S2: He continued in this post also when Winston Churchill came to power in 1940 , and was then Postmaster General under Churchill between 1943 and 1945 .

Do S1 & S2 convey the same information?

A: yes

Problem: S1: Sporting Club Suceava was a professional football club from Suceava , founded in Romania and established in 2008 .
S2: Sporting Club Suceava was a professional football club from Romania with headquarters in Suceava and founded in 2008 .

Do S1 & S2 convey the same information?

A: no

Problem: S1: Warner Communications formed a venture with American Express in 1979 called Warner-Amex Satellite Entertainment , which created MTV , Nickelodeon , and The Movie Channel .
S2: In 1979 , Warner Communications founded a company called Warner-Amex Satellite Entertainment , which formed MTV , Nickelodeon and The Movie Channel with American Express .

Do S1 & S2 convey the same information?

A:
yes