The problem: Answer a question about this article:
Plants and various other groups of photosynthetic eukaryotes collectively known as "algae" have unique organelles known as chloroplasts. Chloroplasts are thought to be descended from cyanobacteria that formed endosymbiotic relationships with ancient plant and algal ancestors. Chloroplasts and cyanobacteria contain the blue-green pigment chlorophyll a. Chlorophyll a (as well as its plant and green algal-specific cousin chlorophyll b)[a] absorbs light in the blue-violet and orange/red parts of the spectrum while reflecting and transmitting the green light that we see as the characteristic colour of these organisms. The energy in the red and blue light that these pigments absorb is used by chloroplasts to make energy-rich carbon compounds from carbon dioxide and water by oxygenic photosynthesis, a process that generates molecular oxygen (O2) as a by-product.
What color does a plant with chlorophyll appear to be?
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The answer: green


The problem: Answer a question about this article:
Both Allen and Lambert released the coronation song, "No Boundaries" which was co-written by DioGuardi. This is the first season in which the winner failed to achieve gold album status, and none from that season achieved platinum album status in the U.S.[citation needed]
Who helped write the song "No Boundaries"?
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The answer: DioGuardi


The problem: Answer a question about this article:
Strasbourg also offers high-class eclecticist buildings in its very extended German district, the Neustadt, being the main memory of Wilhelmian architecture since most of the major cities in Germany proper suffered intensive damage during World War II. Streets, boulevards and avenues are homogeneous, surprisingly high (up to seven stories) and broad examples of German urban lay-out and of this architectural style that summons and mixes up five centuries of European architecture as well as Neo-Egyptian, Neo-Greek and Neo-Babylonian styles. The former imperial palace Palais du Rhin, the most political and thus heavily criticized of all German Strasbourg buildings epitomizes the grand scale and stylistic sturdiness of this period. But the two most handsome and ornate buildings of these times are the École internationale des Pontonniers (the former Höhere Mädchenschule, girls college) with its towers, turrets and multiple round and square angles and the École des Arts décoratifs with its lavishly ornate façade of painted bricks, woodwork and majolica.
What kind of high class building does Strasbourg offer? 
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The answer: eclecticist


The problem: Answer a question about this article:
According to 16th-century mystic Rabbi Elijah of Chelm, Ashkenazi Jews lived in Jerusalem during the 11th century. The story is told that a German-speaking Palestinian Jew saved the life of a young German man surnamed Dolberger. So when the knights of the First Crusade came to siege Jerusalem, one of Dolberger's family members who was among them rescued Jews in Palestine and carried them back to Worms to repay the favor. Further evidence of German communities in the holy city comes in the form of halakhic questions sent from Germany to Jerusalem during the second half of the 11th century.
Who noted that Ashkenazi Jews lived in Jerusalem during the 11th century?
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The answer:
Rabbi Elijah of Chelm