Problem: S1: Nicky Romero ( born January 6 , 1989 ) , professionally known as Nick Rotteveel , is a Dutch DJ , record producer , musician and remixer .
S2: Nick Rotteveel ( born January 6 , 1989 ) , known professionally as Nicky Romero , is a Dutch DJ , record producer , musician and remixer .

Do S1 & S2 convey the same information?

A: no

Problem: S1: Ameloblastomas account for about one percent of all oral tumours and about 18 % of odontogenic tumors .
S2: Ameloblastomas account for about one percent of all oral tumors and about 18 % of odontogenic tumors .

Do S1 & S2 convey the same information?

A: yes

Problem: S1: Compared to the broad waters of a mill pond , the narrow current is quick and powerful .
S2: Compared to the narrow waters of a mill pond , the broad current is fast and powerful .

Do S1 & S2 convey the same information?

A:
no