You will be given a definition of a task first, then some input of the task.
Given a sentence in English, provide an equivalent paraphrased translation in Spanish that retains the same meaning both through the translation and the paraphrase.

Assuming that the causal relationships are linear , this background knowledge can be expressed in the following structural equation model ( SEM ) specification .
Output:
Suponiendo que las relaciones causales son lineales, este conocimiento de fondo se puede expresar en la siguiente especificación SEM (Modelo de ecualización estructural).