Problem: S1: Brookline became part of Pill Hill in 1844 , when it was annexed from Boston .
S2: In 1844 , Pill Hill became a part of Brookline when it was annexed from Boston .

Do S1 & S2 convey the same information?

A: no

Problem: S1: In early 2012 Enrile was the presiding officer of the Impeachment of Chief Justice Renato Corona .
S2: In early 2012 , Renato Corona was the presiding officer of the indictment of Chief Justice Enrile .

Do S1 & S2 convey the same information?

A: no

Problem: S1: After many delays , the segment from Abuja to Kaduna ( 187 km ) opened officially on 26 July 2016 .
S2: The segment from Abuja to Kaduna ( 187 km ) was officially opened after many delays on 26 July 2016 .

Do S1 & S2 convey the same information?

A:
yes