Given a sentence in English, provide an equivalent paraphrased version from the original that retains the same meaning.

Example Input: ( Don Wyatt had been in the penguins in 1956 , and both Eddie and Ray had been with Ray in the later Colts / Fortunes . )
Example Output: ( Don Wyatt had been in the Penguins in 1956 and both Eddie and Ray had been in the later Colts/Fortunes with Ray . )

Example Input: " Pogonodon " was described by Edward Drinker Cope in 1880 , and two species are known : " P. davisi " and " P. platycopis " .
Example Output: " Pogonodon " was described in 1880 by Edward Drinker Cope . Two species are recognized , " P. davisi " and " P. platycopis " .

Example Input: Here we view pseudo-differential operators as a generalization of differential operators .
Example Output:
We consider pseudo-differential operators here as a generalization of differential operators .