Problem: S1: There were also 58 liaison aircraft but 20 of these were only used for messengers .
S2: There were also 58 connection aircraft , but 20 of these were used only for messengers .

Do S1 & S2 convey the same information?

A: yes

Problem: S1: Kevin Abbring ( born 20 January 1989 ) is a Dutch rally driver . His father , Edwin Abbring , is also a well-known former rally driver .
S2: Kevin Abbring ( born January 20 , 1989 ) is a Dutch rally driver , his father Edwin Abbring is also a famous former rally pilot .

Do S1 & S2 convey the same information?

A: yes

Problem: S1: In 1901 the critic Henri Cazalis ( alias Jean Lahor ) , listed the workshop as one of the best producers in France of Art Nouveau ceramics .
S2: In 1901 , the critic Henri Cazalis ( aka Jean Lahor ) listed the workshop as one of the best manufacturers of Art Nouveau ceramics in France .

Do S1 & S2 convey the same information?

A:
yes