question: OPTIONS:
- yes
- no
Greece is the number-two foreign investor of capital in Albania, the number-three foreign investor in Bulgaria, at the top-three of foreign investors in Romania and Serbia and the most important trading partner and largest foreign investor of the Republic of Macedonia.
Greece's economy is what size?

answer: no

[Q]: Sentence: The injunction was later reversed by a Berlin judge, but that reversal was in turn blocked the same day by another judge from the same court, "bringing the Patent Wild West to Germany" in the words of one commentator. Question: What did German officials seize from SanDisk on September 2006? OPTIONS:
- yes
- no
++++++++++
[A]: no

Q: Does "Meanwhile, Columbia University's liberal faculty members became disenchanted with the university president's ties to oilmen and businessmen, including Leonard McCollum, the president of Continental Oil; Frank Abrams, the chairman of Standard Oil of New Jersey; Bob Kleberg, the president of the King Ranch; H. J. Porter, a Texas oil executive; Bob Woodruff, the president of the Coca-Cola Corporation; and Clarence Francis, the chairman of General Foods." provide a valid answer to "Aside from his university work, where did Eisenhower gain useful contacts?"?
OPTIONS:
- yes
- no
A: no

Problem: Does "The first modern greenhouses were built in Europe in the 16th century to keep exotic plants brought back from explorations abroad." answer the question "In what century were the first modern greenhouses constructed?" OPTIONS:
- yes
- no

A: yes

Does the sentence "Many instruments originated during the Renaissance; others were variations of, or improvements upon, instruments that had existed previously." provide a valid answer to the question "What has disappeared, then been recreated in order to perform music of the period?" OPTIONS:
- yes
- no

A: no

Does the sentence "The region is serviced by 4,200 km (2,600 mi) of roads used by 6 million vehicles." provide a valid answer to the question "How many vehicles use the roads?" OPTIONS:
- yes
- no

A:
yes