Problem: S1: Although the use of a vertical stabilizer is most common , it is possible to obtain directional stability with no discrete vertical stabilizer .
S2: Although the use of a vertical stabilizer is the most common , it is possible to obtain directional stability without discrete vertical stabilizer .

Do S1 & S2 convey the same information?

A: yes

Problem: S1: Men Suddenly in Love is a 2011 Hong Kong romantic comedy written by Wong Jing , produced and managed by .
S2: Men Suddenly in Love is a 2011 Hong Kong romantic comedy film produced by , written by and directed by Wong Jing .

Do S1 & S2 convey the same information?

A: yes

Problem: S1: The SR 416 was created around 1990 when the SR 438 was moved from Princeton Street to the old Silver Star Road extension and the new orientation needed a number .
S2: SR 416 was created around 1990 when SR 438 was moved from Silver Star Road to the new Princeton Street extension , and the old alignment needed a number .

Do S1 & S2 convey the same information?

A:
no