Problem: S1: This feat was also accomplished by future Heavyweight Champions Muhammad Ali and Leon Spinks known better as Cassius Clay .
S2: This performance was also better known as Cassius Clay by future Heavyweight Champions Muhammad Ali and Leon Spinks .

Do S1 & S2 convey the same information?

A: yes

Problem: S1: Stenolechia zelosaris is a moth of the family Gelechiidae . It is found in India ( Assam ) .
S2: Stenolechia zelosaris is a moth of the family Gelechiidae , which is found in India ( Assam ) .

Do S1 & S2 convey the same information?

A: yes

Problem: S1: It is covered with a natural vegetation of grassland of less fertile red clay soils , and saltbush shrubland on more fertile earths .
S2: It is covered with a natural vegetation of grassland of less fertile red clay floors , and Saltbush bushland on more fertile soils .

Do S1 & S2 convey the same information?

A:
yes