Problem: S1: In 1880 the western half of the Mount Ayr Township Kill Creek Township became .
S2: In 1880 , the western half of Mount Ayr Township became Kill Creek Township .

Do S1 & S2 convey the same information?

A: no

Problem: S1: While Martin became lawyer and politician , James operated a successful sawmill near Monticello .
S2: While James became a lawyer and politician , Martin operated a successful sawmill near Monticello .

Do S1 & S2 convey the same information?

A: no

Problem: S1: Stevens contributed the song '' Nobody '' to Selena Gomez 's 2015 album '' Revival '' .
S2: Selena Gomez contributed song '' Nobody '' to Stevens 2015 - Album '' Revival '' .

Do S1 & S2 convey the same information?

A:
no