The Urechioiu River is a tributary of the Burduja River in Romania .
The Burduja River is a tributary of the River Urechioiu , Romania .

Are these two sentences paraphrases of each other?
no

The helicopter pilot Bill Strothman and photographer Gary Pfitzner were both killed in the crash .
Helicopter pilot Bill Strothman and photographer Gary Pfitzner were both killed in the crash .

Are these two sentences paraphrases of each other?
yes

Lemoa is a town and municipality located in the province of Biscay , in the autonomous community of Basque Country , northern Spain .
Lemoa is a town and municipality in the province of Bizkaia , in the Autonomous Community of Basque Country , in northern Spain .

Are these two sentences paraphrases of each other?
yes

There are no airports in Sanggau regency , hence the nearest Gateway Supadio Airport ( Pontianak ) and Kuching International Airport ( Sarawak , Malaysia ) .
There is no airport in Sanggau regency , hence the nearest gateway are Supadio Airport ( Pontianak ) and Kuching International Airport ( Sarawak , Malaysia ) .

Are these two sentences paraphrases of each other?
yes