Problem: S1: In the 1980s , the NUM successfully campaigned for the end of the job reservation system , a system that ensured that the best-paid jobs were given to whites .
S2: NUM campaigned successfully in the 1980s for the end of the job reservation system , a system which ensured that the best-allocated jobs were paid to whites .

Do S1 & S2 convey the same information?

A: no

Problem: S1: Soon , though , Li Longji was overthrown in a coup led by Emperor Zhongzong 's sister Princess Taiping and his nephew Linzi the Prince of Empress Wei .
S2: Soon , however , Li Longji was overthrown in a coup led by Emperor Zhongzong 's sister , Princess Taiping , and his nephew Linzi , the prince of Empress Wei .

Do S1 & S2 convey the same information?

A: yes

Problem: S1: In order to determine the two best second-placed teams , the following criteria were used :
S2: To determine the two best second-placed teams , the following criteria were used :

Do S1 & S2 convey the same information?

A:
yes