Problem: S1: Lord Greville married Lady Rosa Emily Mary Anne Nugent , the only daughter and heir of George Nugent , Marquess of Westmeath , who had six children :
S2: Lord George Nugent married Lady Rosa Emily Mary Anne Nugent , only daughter and heir of Greville , 1st Marquess of Westmeath . They had six children .

Do S1 & S2 convey the same information?

A: no

Problem: S1: PTAs were abolished by the 1985 Local Government Act when the Metropolitan County Councils were restored .
S2: PTAs were restored by the 1985 Local Government Act , when the Metropolitan County Councils were abolished .

Do S1 & S2 convey the same information?

A: no

Problem: S1: In 2010 , Buick introduced a new version of the Shanghai GM GL8 Luxury Business Edition .
S2: In 2010 , Shanghai GM provided a new version of the Buick GL8 Luxury Business Edition .

Do S1 & S2 convey the same information?

A:
no