Task: Question Answering
Input (English): passage: A vacuum cleaner, also known as a sweeper or hoover, is a device that uses an air pump (a centrifugal fan in all but some of the very oldest models), to create a partial vacuum to suck up dust and dirt, usually from floors, and from other surfaces such as upholstery and draperies.
 question: is there a vacuum in a vacuum cleaner?
Output (English): Yes