Problem: S1: The estate was then acquired by the Robertson ( sometimes spelt Robinson ) family .
S2: The estate was then acquired by the Robertson family ( sometimes also Robinson ) .

Do S1 & S2 convey the same information?

A: yes

Problem: S1: An implementation that calculates the probability density function of the Wakeby distribution is included as routine WAKPDF in the scientific data library Dataplot .
S2: An implementation that computes the probability density function of the Wakeby distribution is included as a scientific WAKPDF in the routine calculation library of Dataplot .

Do S1 & S2 convey the same information?

A: no

Problem: S1: Their daughter Lady Montagu Corry married Henry Lowry-Corry and was the mother of Harriet Anne , 1st Baron Rowton .
S2: Her daughter Lady Montagu Corry married Henry Lowry-Corry and was the mother of Harriet Anne , 1st Baron Rowton .

Do S1 & S2 convey the same information?

A:
yes