The problem: Answer a question about this article:
DST's clock shifts have the obvious disadvantage of complexity. People must remember to change their clocks; this can be time-consuming, particularly for mechanical clocks that cannot be moved backward safely. People who work across time zone boundaries need to keep track of multiple DST rules, as not all locations observe DST or observe it the same way. The length of the calendar day becomes variable; it is no longer always 24 hours. Disruption to meetings, travel, broadcasts, billing systems, and records management is common, and can be expensive. During an autumn transition from 02:00 to 01:00, a clock reads times from 01:00:00 through 01:59:59 twice, possibly leading to confusion.
During the fall time shift from 02:00 to 01:00, how many times will a clock show the times between 01:00:00 and 01:59:59?
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The answer: twice

The problem: Answer a question about this article:
Hurling and football are the most popular spectator sports in the city. Hurling has a strong identity with city and county with Cork winning 30 All-Ireland Championships. Gaelic football is also popular, and Cork has won 7 All-Ireland Senior Football Championship titles. There are many Gaelic Athletic Association clubs in Cork City, including Blackrock National Hurling Club, St. Finbarr's, Glen Rovers, Na Piarsaigh and Nemo Rangers. The main public venues are Pairc Ui Chaoimh and Pairc Ui Rinn (named after the noted Glen Rovers player Christy Ring). Camogie (hurling for ladies) and women's gaelic football are increasing in popularity.
How many All-Ireland Senior Football Championship titles have been won by Cork?
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The answer: 7

The problem: Answer a question about this article:
No satisfactory explanation can as yet be given for the exact mechanisms determining the formation of earlywood and latewood. Several factors may be involved. In conifers, at least, rate of growth alone does not determine the proportion of the two portions of the ring, for in some cases the wood of slow growth is very hard and heavy, while in others the opposite is true. The quality of the site where the tree grows undoubtedly affects the character of the wood formed, though it is not possible to formulate a rule governing it. In general, however, it may be said that where strength or ease of working is essential, woods of moderate to slow growth should be chosen.
If you want wood that's easy to work with, what kind of growth would you want the tree to have?
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The answer: moderate to slow

The problem: Answer a question about this article:
The two became friends, and for many years lived in close proximity in Paris, Chopin at 38 Rue de la Chaussee-d'Antin, and Liszt at the Hotel de France on the Rue Lafitte, a few blocks away. They performed together on seven occasions between 1833 and 1841. The first, on 2 April 1833, was at a benefit concert organized by Hector Berlioz for his bankrupt Shakespearean actress wife Harriet Smithson, during which they played George Onslow's Sonata in F minor for piano duet. Later joint appearances included a benefit concert for the Benevolent Association of Polish Ladies in Paris. Their last appearance together in public was for a charity concert conducted for the Beethoven Memorial in Bonn, held at the Salle Pleyel and the Paris Conservatory on 25 and 26 April 1841.
How many times did Chopin and Liszy perform together in public?
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The answer:
seven