TASK DEFINITION: In this task, you are given a question and a context passage. You have to answer the question based on the given passage.
PROBLEM: In a duel-input USB cable, what are both cables used for?, Context: Some USB devices require more power than is permitted by the specifications for a single port. This is common for external hard and optical disc drives, and generally for devices with motors or lamps. Such devices can use an external power supply, which is allowed by the standard, or use a dual-input USB cable, one input of which is used for power and data transfer, the other solely for power, which makes the device a non-standard USB device. Some USB ports and external hubs can, in practice, supply more power to USB devices than required by the specification but a standard-compliant device may not depend on this.

SOLUTION: power

PROBLEM: How is Valencia pronounced in English?, Context: Valencia (/vlnsi/; Spanish: [balenja]), or Valencia (Valencian: [valensia]), is the capital of the autonomous community of Valencia and the third largest city in Spain after Madrid and Barcelona, with around 800,000 inhabitants in the administrative centre. Its urban area extends beyond the administrative city limits with a population of around 1.5 million people. Valencia is Spain's third largest metropolitan area, with a population ranging from 1.7 to 2.5 million. The city has global city status. The Port of Valencia is the 5th busiest container port in Europe and the busiest container port on the Mediterranean Sea.

SOLUTION: vlnsi

PROBLEM: What happened 20 years ago?, Context: Parisians tend to share the same movie-going trends as many of the world's global cities, with cinemas primarily dominated by Hollywood-generated film entertainment. French cinema comes a close second, with major directors (realisateurs) such as Claude Lelouch, Jean-Luc Godard, and Luc Besson, and the more slapstick/popular genre with director Claude Zidi as an example. European and Asian films are also widely shown and appreciated. On 2 February 2000, Philippe Binant realised the first digital cinema projection in Europe, with the DLP CINEMA technology developed by Texas Instruments, in Paris.

SOLUTION:
Philippe Binant realised the first digital cinema projection in Europe