Assuming that the causal relationships are linear , this background knowledge can be expressed in the following SEM specification ( Structural Equalization Model ) .
Assuming that the structural relationships are causal , this background knowledge can be expressed in the following specification for the linear equation model ( SEM ) .

Are these two sentences paraphrases of each other?
no

ABC Books has released seven paperback novels , each based on a single episode and from the perspective of a particular character .
ABC Books has released seven popular book novels , each based on a single episode , and from the perspective of a particular character .

Are these two sentences paraphrases of each other?
yes

The river Valea Negrenilor or Negreni River is a tributary of the river Amaradia .
The river Amaradia or the river Negreni is a tributary of the river Valea Negrenilor .

Are these two sentences paraphrases of each other?
no

The 2002 National Football League season was the 27th season of the Seattle Seahawks team .
The 2002 Seattle Seahawks season was the team 's 27th season with the National Football League .

Are these two sentences paraphrases of each other?
no