instruction:
In this task, you're given a sentence and your task is to generate a simplified sentence that focuses on lexical paraphrasing from the original sentence given in the input.
question:
he advocates applying a user-centered design process in product development cycles and also works towards popularizing interaction design as a mainstream discipline.
answer:
in product development cycles , he recommends a design process that focuses on the user , and also actively encourages mainstream disciplines to include interaction design as one of their offerings.

question:
influences regional at the end of the 12th century europe was divided into a multitude of city states and kingdoms.
answer:
europe was divided into a large number of city , states , and kingdoms at the end of the 12th century due to regional influences.

question:
seeds of several species are the source of the popular beverage coffee.
answer:
the popular beverage coffee is sourced from the seeds of several species.