The Cocora River is a tributary of the Rebricea River in Romania .
The Rebricea River is a tributary of the River Cocora in Romania .

Are these two sentences paraphrases of each other?
no

As an assistant to Nicolaier in Gottingen , Carl Flugge discovered Clostridium tetani , the bacterium that causes tetanus , in 1884 .
In 1884 , as assistant to Carl Flugge in Gottingen , Nicolaier discovered the bacterium Clostridium tetani , which causes Tetanus .

Are these two sentences paraphrases of each other?
no

Hamilton is widely considered the greatest driver of his generation and often regarded as one of the best Formula One drivers in the history of the sport .
Hamilton is widely regarded as the greatest driver of his generation and often considered one of the best formula - 1 - drivers in the history of sports .

Are these two sentences paraphrases of each other?
yes

On 4 November 2017 , Mamun officially announced to the Russian press that Irina Viner has completed her competitive career in rhythmic gymnastics .
On November 4 , 2017 , Irina Viner officially announced to the Russian press that Mamun has completed her competitive career in rhythmic gymnastics .

Are these two sentences paraphrases of each other?
no