Problem: S1: English is spoken by many people and some of them fluently understood .
S2: English is understood by many people and spoken by some fluently .

Do S1 & S2 convey the same information?

A: no

Problem: S1: They came to Russia from Poland in the eighteenth century , and their language includes Russian , German and Polish words .
S2: They came to Russia in the 18th century from Poland , and their language includes Russian , German , and Polish words .

Do S1 & S2 convey the same information?

A: yes

Problem: S1: Durg , Chhattisgarh is a city located in the Bhilai district of Eastern Central India .
S2: Durg , Chhattisgarh is a city in the district of Bhilai , in eastern central India .

Do S1 & S2 convey the same information?

A:
yes