Problem: S1: Aleksandra Pisudska ( Suwaki , December 12 , 1882 -- London , March 31 , 1963 ) , b. Szczerbinska , was the second wife of Jozef Pisudski .
S2: Aleksandra Pisudska ( Suwaki , 12 December 1882 -- London , 31 March 1963 ) , nee Szczerbinska , was the second wife of Jozef Pisudski .

Do S1 & S2 convey the same information?

A: yes

Problem: S1: Other studies were also presented to the Federal Power Commission by the Congress and the Power Authority of New York .
S2: Also other studies were submitted to the Federal Power Commission by the Congress and Power Authority of New York .

Do S1 & S2 convey the same information?

A: yes

Problem: S1: Then Tyrone tells him who Tommy is .
S2: Tommy then tells him who Tyrone is .

Do S1 & S2 convey the same information?

A:
no