Problem: S1: The Cartal River is a tributary of the Casimcea River in Romania .
S2: The Casimcea River is a tributary of the River Cartal in Romania .

Do S1 & S2 convey the same information?

A: no

Problem: S1: The company is one of the oldest German companies still in operation and was founded in 1880 by Brazilian brothers Bruno and Hermann Hering .
S2: The company is one of the oldest Brazilian companies still in operation , founded in 1880 by the German brothers Bruno and Hermann Hering .

Do S1 & S2 convey the same information?

A: no

Problem: S1: Karen and Kristoffer together have eight children .
S2: Together , Karen and Kristoffer have eight children .

Do S1 & S2 convey the same information?

A:
yes