Problem: S1: The NBA season of 1975 -- 76 was the 30th season of the National Basketball Association .
S2: The 1975 -- 76 NBA season was the 30th season of the National Basketball Association .

Do S1 & S2 convey the same information?

A: yes

Problem: S1: This album is the first album with the pianist Ethan Iverson , who replaced Orrin Evans .
S2: This album is the first album with pianist Orrin Evans who replaced Ethan Iverson .

Do S1 & S2 convey the same information?

A: no

Problem: S1: Sally used Jones as an example of how adopted Indian children were not treated as equals to white children .
S2: Jones used Sally as an example of how adopted Indian children were not treated as equal white children .

Do S1 & S2 convey the same information?

A:
no