Problem: S1: Forty different plant communities containing at least 1,342 species and 54 rare plants have been identified in the gorge .
S2: In the gorge , forty rare plant communities were identified , containing at least 1,342 species and 54 different plants .

Do S1 & S2 convey the same information?

A: no

Problem: S1: Some Native Americans and European-American settlers began to create a community around the post .
S2: Some native Americans and European-American settlers started to create a community around the post .

Do S1 & S2 convey the same information?

A: yes

Problem: S1: It was first successfully completed on 26 March 2012 by a twelve-year-old American , Tom Schaar .
S2: It was first completed successfully by a 12-year-old American , Tom Schaar , on March 26 , 2012 .

Do S1 & S2 convey the same information?

A:
yes