Problem: S1: However , he later married Meyna of Westerburg and after his father 's death became the first count of Nassau-Beilstein .
S2: He later married Meyna of Westerburg and became the first Count of Nassau-Beilstein after his father 's death .

Do S1 & S2 convey the same information?

A: yes

Problem: S1: It was described in 1874 by Alpheus Spring Packard and found in North America .
S2: It is found by Alpheus Spring Packard in 1874 and is described in North America .

Do S1 & S2 convey the same information?

A: no

Problem: S1: Bland left Valparaiso one week later and arrived in Philadelphia on 29 October 1818 .
S2: A week later , Bland left Philadelphia and arrived in Valparaiso on October 29 , 1818 .

Do S1 & S2 convey the same information?

A:
no