Karen and Kristoffer together have eight children .
Kristoffer together with Karen had eight children .

Are these two sentences paraphrases of each other?
yes

The adrenal arteries are arteries in the human abdomen that cause blood to the adrenal .
The human arteries are arteries in the adrenal abdomen that supply blood to the adrenal glands .

Are these two sentences paraphrases of each other?
no

It was released in 2001 on Phyte Records ( CD ) and Platinum Recordings ( 7 '' format ) and was released on Bridge 9 Records in 2003 .
It was released in 2001 on Phyte Records ( CD ) and Platinum Recordings ( 7 '' format ) and will be released on Bridge 9 records in 2003 .

Are these two sentences paraphrases of each other?
no

The river Dunareana is a tributary of the Galbena River in Romania .
The Galbena River is a tributary of the Dunareana River in Romania .

Are these two sentences paraphrases of each other?
no