Problem: S1: To the north , the Virginia region continues into central Maryland and southeastern Pennsylvania .
S2: To the north , the region continues from Virginia into central Maryland and southeastern Pennsylvania .

Do S1 & S2 convey the same information?

A: yes

Problem: S1: Goolagong Cawley won five finals between 1971 and 1980 , but only reached her first and final finals .
S2: Goolagong Cawley reached five finals between 1971 and 1980 but won only her first and last finals .

Do S1 & S2 convey the same information?

A: no

Problem: S1: More recently , the band has combined extra life aspects of early music with the modern genre of mathematics rock .
S2: More recently , the band Extra Life has combined aspects of modern music with the early genre of math rock .

Do S1 & S2 convey the same information?

A:
no