In this task you will be given an answer to a question. You need to generate a question. The answer given should be a correct answer for the generated question.

Computer-aided design (CAD) is the use of computer systems (or workstations) to aid in the creation, modification, analysis, or optimization of a design. CAD software is used to increase the productivity of the designer, improve the quality of design, improve communications through documentation, and to create a database for manufacturing. CAD output is often in the form of electronic files for print, machining, or other manufacturing operations. The term CADD (for Computer Aided Design and Drafting) is also used.
concept of cad as drafting and designing facility

A mass (air) flow sensor (MAF) is used to find out the mass flow rate of air entering a fuel-injected internal combustion engine.
what does the mass air flow meter do

Pluto, also called Pluto the Pup, is a cartoon character created in 1930 at Walt Disney Productions. He is a yellow-orange color, medium-sized, short-haired dog with black ears. Unlike most Disney characters, Pluto is not anthropomorphic beyond some characteristics such as facial expression. He is Mickey Mouse's pet. Officially a mixed-breed dog, he made his debut as a bloodhound in the Mickey Mouse cartoon The Chain Gang. Together with Mickey Mouse, Minnie Mouse, Donald Duck, Daisy Duck, and Goofy, Pluto is one of the 'Sensational Six' -- the biggest stars in the Disney universe. Though all six are non-human animals, Pluto alone is not dressed as a human.
how is goofy a dog if pluto is a dog