Scientists believe that amber was deposited in a flat part of a prehistoric basin in a delta of a marine river during the Upper Eocene and the Lower Oligocene .
Scientists believe that amber was deposited in a flat part of a sea basin in a delta of a prehistoric river during the Upper Eocene and the Lower Oligocene .

Are these two sentences paraphrases of each other?
no

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

Are these two sentences paraphrases of each other?
yes

A second son of Berkeley John Talbot Levett and his wife Lady Jane was Theophilus Levett , an officer at the Scots Guards .
A second son of Berkeley John Talbot Levett and his wife Lady Jane was Theophilus Levett , an officer in the Scots Guards .

Are these two sentences paraphrases of each other?
yes

Although A . A. Gill in '' The Observer '' was more critical and Andrew Anthony of '' The Sunday Times '' was unimpressed .
Although Andrew Anthony in '' The Observer '' was more critical and A.A. Gill of '' The Sunday Times '' was unimpressed .

Are these two sentences paraphrases of each other?
no