Problem: S1: In 1033 , he rejected his first wife , Helie of Semur , and married her in 1048 . Robert and Helie had five children :
S2: He married his first wife , Helie of Semur , around 1033 and dismissed her in 1048 . Robert and Helie had five children :

Do S1 & S2 convey the same information?

A: no

Problem: S1: Guruzeta 's father , Xabier , was also a footballer . A central defender , he mainly represented Real Sociedad during his career .
S2: Also the father of Guruzeta , Xabier , was a footballer , as a central defender he mainly represented Real Sociedad during his career .

Do S1 & S2 convey the same information?

A: yes

Problem: S1: In the 2016 presidential election , the Party did not nominate a candidate for general , but won three seats in the National Assembly .
S2: The party did not nominate a presidential candidate in the 2016 general elections , but won three seats in the National Assembly .

Do S1 & S2 convey the same information?

A:
no