The Royal College of Music has appointed Natalia alongside Maestro Peter Stark as Professor of Conductors .
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

The small covered station has two modern waiting areas , information boards , CCTV and a footbridge .
The small covered station has two modern waiting areas , information boards , CCTV and a pedestrian bridge .

Are these two sentences paraphrases of each other?
yes

It is a commercial product in the production of the intermediate polymer EPDM .
It is an intermediate product in the production of the commercial EPDM polymer .

Are these two sentences paraphrases of each other?
no

The Republican River is a tributary of North Fork Republican River .
The Republican River is a tributary of the North Fork Republican River .

Are these two sentences paraphrases of each other?
yes