Problem: S1: Sir Herbert was returned to the new headquarters in Croydon East and was re-elected in 1951 .
S2: Sir Herbert was returned in the new Croydon East seat and was re-elected in 1951 .

Do S1 & S2 convey the same information?

A: yes

Problem: S1: The predominant sector , with a secondary occupation of the building , employs 33 % of workers .
S2: The predominant sector , with a secondary occupation of the building , employs 33 % of the workers .

Do S1 & S2 convey the same information?

A: yes

Problem: S1: In 1883 the first schools were built in the surroundings for 400 black and 60 white students .
S2: In 1883 the first schools in the area were built for 400 white and 60 black students .

Do S1 & S2 convey the same information?

A:
no