Problem: S1: However , in 1919 , concluded that no more operational awards would be made for the recently decreed war .
S2: In 1919 , however , no operational awards would be made for the recently concluded war .

Do S1 & S2 convey the same information?

A: no

Problem: S1: The river Sitna is a tributary of the River Urechioiu in Romania .
S2: The Sitna River is a tributary of the Urechioiu River in Romania .

Do S1 & S2 convey the same information?

A: yes

Problem: S1: In 1971 , he divorced again to marry Coralie Legrand , with which he had a daughter , Martine Leroy .
S2: In 1971 , he divorced again to marry Coralie Legrand , with whom he had a daughter , Martine Leroy .

Do S1 & S2 convey the same information?

A:
yes