Problem: Please answer a question about the following article about Mandolin:
These styles generally have either two f-shaped soundholes like a violin (F-5 and A-5), or an oval sound hole (F-4 and A-4 and lower models) directly under the strings. Much variation exists between makers working from these archetypes, and other variants have become increasingly common. Generally, in the United States, Gibson F-hole F-5 mandolins and mandolins influenced by that design are strongly associated with bluegrass, while the A-style is associated other types of music, although it too is most often used for and associated with bluegrass. The F-5's more complicated woodwork also translates into a more expensive instrument.
What shape sounds holes do these styles of mandolins have? 
A: two f-shaped soundholes like a violin (F-5 and A-5), or an oval sound hole (F-4 and A-4 and lower models)
Problem: Please answer a question about the following article about PlayStation 3:
PlayStation Home is a virtual 3D social networking service for the PlayStation Network. Home allows users to create a custom avatar, which can be groomed realistically. Users can edit and decorate their personal apartments, avatars or club houses with free, premium or won content. Users can shop for new items or win prizes from PS3 games, or Home activities. Users interact and connect with friends and customise content in a virtual world. Home also acts as a meeting place for users that want to play multiplayer games with others.
What is the customizable representation of a user in PS Home called?
A: avatar
Problem: Please answer a question about the following article about Computer:
When unprocessed data is sent to the computer with the help of input devices, the data is processed and sent to output devices. The input devices may be hand-operated or automated. The act of processing is mainly regulated by the CPU. Some examples of hand-operated input devices are:
Where is the data from input devices sent to after being processed?
A: output devices
Problem: Please answer a question about the following article about Switzerland:
Direct democracy and federalism are hallmarks of the Swiss political system. Swiss citizens are subject to three legal jurisdictions: the commune, canton and federal levels. The 1848 federal constitution defines a system of direct democracy (sometimes called half-direct or representative direct democracy because it is aided by the more commonplace institutions of a representative democracy). The instruments of this system at the federal level, known as civic rights (Volksrechte, droits civiques), include the right to submit a constitutional initiative and a referendum, both of which may overturn parliamentary decisions.
What are the two hallmarks of the Swiss political system?
A:
Direct democracy and federalism