Problem: S1: Elizabeth Gordon was the daughter of Adam de Gordon , Lord of Gordon and Elizabeth Keith , daughter of William Keith , Marishal of Scotland .
S2: Elizabeth Gordon was the daughter of William Keith , Lord of Gordon and Elizabeth Keith , daughter of Adam de Gordon , Marischal of Scotland .

Do S1 & S2 convey the same information?

A: no

Problem: S1: The father of Mervyn Paice wrote a letter to Menachem Begin and asked him to spare his son 's life .
S2: The father of Menachem Begin wrote a letter to Mervyn Paice asking him to spare his son 's life .

Do S1 & S2 convey the same information?

A: no

Problem: S1: The Dublin Council of Trade Unions is the trades council for County Dublin in Ireland .
S2: The Dublin Council of Unions is the trade council for the county of Dublin in Ireland .

Do S1 & S2 convey the same information?

A:
yes