Input: Article: The decidedly anti-Aristotelian and anti-clerical music theorist Vincenzo Galilei (ca. 15201591), father of Galileo and the inventor of monody, made use of the method in successfully solving musical problems, firstly, of tuning such as the relationship of pitch to string tension and mass in stringed instruments, and to volume of air in wind instruments; and secondly to composition, by his various suggestions to composers in his Dialogo della musica antica e moderna (Florence, 1581). The Italian word he used for "experiment" was esperienza. It is known that he was the essential pedagogical influence upon the young Galileo, his eldest son (cf. Coelho, ed. Music and Science in the Age of Galileo Galilei), arguably one of the most influential empiricists in history. Vincenzo, through his tuning research, found the underlying truth at the heart of the misunderstood myth of 'Pythagoras' hammers' (the square of the numbers concerned yielded those musical intervals, not the actual numbers, as believed), and through this and other discoveries that demonstrated the fallibility of traditional authorities, a radically empirical attitude developed, passed on to Galileo, which regarded "experience and demonstration" as the sine qua non of valid rational enquiry.

Now answer this question: What does 'esperienza' mean?

Output: experiment

Article: A cover story in BusinessWeek magazine claims that economists mostly failed to predict the worst international economic crisis since the Great Depression of the 1930s. The Wharton School of the University of Pennsylvania's online business journal examines why economists failed to predict a major global financial crisis. Popular articles published in the mass media have led the general public to believe that the majority of economists have failed in their obligation to predict the financial crisis. For example, an article in the New York Times informs that economist Nouriel Roubini warned of such crisis as early as September 2006, and the article goes on to state that the profession of economics is bad at predicting recessions. According to The Guardian, Roubini was ridiculed for predicting a collapse of the housing market and worldwide recession, while The New York Times labelled him "Dr. Doom".

Question: What was economist Roubini called by the New York Times for predicting a collapse of the housing market?
Ans: "Dr. Doom"

Here is a question about this article: Since 2009, the Tucson Festival of Books has been held annually over a two-day period in March at the University of Arizona. By 2010 it had become the fourth largest book festival in the United States, with 450 authors and 80,000 attendees. In addition to readings and lectures, it features a science fair, varied entertainment, food, and exhibitors ranging from local retailers and publishers to regional and national nonprofit organizations. In 2011, the Festival began presenting a Founder's Award; recipients include Elmore Leonard and R.L. Stine.
What is the answer to this question: When did the Tucson Festival of Books begin?
****
So... 2009

The problem: Answer a question about this article:
Along with professional services, media companies are concentrated in London and the media distribution industry is London's second most competitive sector. The BBC is a significant employer, while other broadcasters also have headquarters around the City. Many national newspapers are edited in London. London is a major retail centre and in 2010 had the highest non-food retail sales of any city in the world, with a total spend of around 64.2 billion. The Port of London is the second-largest in the United Kingdom, handling 45 million tonnes of cargo each year.
How much cargo does the Port of London handle annually?
****
The answer: 45 million tonnes

Problem: Please answer a question about the following article about American Idol:
Towards the end of the season, Randy Jackson, the last remaining of the original judges, announced that he would no longer serve as a judge to pursue other business ventures. Both judges Mariah Carey and Nicki Minaj also decided to leave after one season to focus on their music careers.
How many seasons was Mariah Carey a judge on American Idol?
A: one

Question: Read this and answer the question

Modern archaeology has led to the discovery of Han artwork portraying inventions which were otherwise absent in Han literary sources. As observed in Han miniature tomb models, but not in literary sources, the crank handle was used to operate the fans of winnowing machines that separated grain from chaff. The odometer cart, invented during Han, measured journey lengths, using mechanical figures banging drums and gongs to indicate each distance traveled. This invention is depicted in Han artwork by the 2nd century AD, yet detailed written descriptions were not offered until the 3rd century AD. Modern archaeologists have also unearthed specimens of devices used during the Han dynasty, for example a pair of sliding metal calipers used by craftsmen for making minute measurements. These calipers contain inscriptions of the exact day and year they were manufactured. These tools are not mentioned in any Han literary sources.

What has allowed us to discover long lost inventions of the Han era?
Answer:
artwork