The oldest of these are the channels : the Manchester Ship Canal , the Trent and Mersey Canal , the Weaver Navigation and the Bridgewater Canal .
The oldest are the canals : the Bridgewater Canal , Trent and Mersey Canal , the Weaver Navigation and the Manchester Ship Canal .

Are these two sentences paraphrases of each other?
yes

The Royal College of Music , alongside Maestro Peter Stark , has appointed Natalia as a conductor professor .
The Royal College of Music has appointed Peter Stark as a Professor of Conducting alongside Maestro Natalia .

Are these two sentences paraphrases of each other?
no

According to the Freedman Brothers website , Lee Freedman Naturalism was one of the five best horses he has ever trained .
According to the Freedman brothers website , Lee Freedman rated Naturalism was one of the five best horses he ever trained .

Are these two sentences paraphrases of each other?
no

The average net salary of a Croatian worker in January 2017 was 5,895 HRK per month , and the average gross salary was 7,911 HRK per month .
In January 2017 , the average gross content of a Croatian worker was 5,895 HRK per month and the average net content was 7,911 HRK per month .

Are these two sentences paraphrases of each other?
no