Task: Text Simplification
Input (English): the term " protein " itself was coined by berzelius , after mulder observed that all proteins seemed to have the same empirical formula and might be composed of a single type of -lrb- very large -rrb- molecule.
Output (English): the limited stretch of time " protein " itself was made by berzelius , after mulder observed that all proteins seemed to have the same based on experience signs making clear and might be controlled , untroubled of a single sort of -lrb- very greatly sized -rrb- smallest un.