The problem: Answer a question about this article:
The Fed then raised the Fed funds rate significantly between July 2004 and July 2006. This contributed to an increase in 1-year and 5-year adjustable-rate mortgage (ARM) rates, making ARM interest rate resets more expensive for homeowners. This may have also contributed to the deflating of the housing bubble, as asset prices generally move inversely to interest rates, and it became riskier to speculate in housing. U.S. housing and financial assets dramatically declined in value after the housing bubble burst.
How do asset prices generally move in relation to interest rates?
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The answer: inversely

The problem: Answer a question about this article:
Fungi communicate to coordinate and organize their growth and development such as the formation of Marcelia and fruiting bodies. Fungi communicate with their own and related species as well as with non fungal organisms in a great variety of symbiotic interactions, especially with bacteria, unicellular eukaryote, plants and insects through biochemicals of biotic origin. The biochemicals trigger the fungal organism to react in a specific manner, while if the same chemical molecules are not part of biotic messages, they do not trigger the fungal organism to react. This implies that fungal organisms can differentiate between molecules taking part in biotic messages and similar molecules being irrelevant in the situation. So far five different primary signalling molecules are known to coordinate different behavioral patterns such as filamentation, mating, growth, and pathogenicity. Behavioral coordination and production of signaling substances is achieved through interpretation processes that enables the organism to differ between self or non-self, a biotic indicator, biotic message from similar, related, or non-related species, and even filter out "noise", i.e. similar molecules without biotic content.
What is an example of "noise" that is filtered out through the interpretation processes?
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The answer: similar molecules without biotic content

The problem: Answer a question about this article:
At the end of May 1942, Eisenhower accompanied Lt. Gen. Henry H. Arnold, commanding general of the Army Air Forces, to London to assess the effectiveness of the theater commander in England, Maj. Gen. James E. Chaney. He returned to Washington on June 3 with a pessimistic assessment, stating he had an "uneasy feeling" about Chaney and his staff. On June 23, 1942, he returned to London as Commanding General, European Theater of Operations (ETOUSA), based in London and with a house on Coombe, Kingston upon Thames, and replaced Chaney. He was promoted to lieutenant general on July 7.
To what rank was Eisenhower promoted on July 7, 1942?
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The answer: lieutenant general

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In 2006 Apple presented a special edition for iPod 5G of Irish rock band U2. Like its predecessor, this iPod has engraved the signatures of the four members of the band on its back, but this one was the first time the company changed the colour of the metal (not silver but black). This iPod was only available with 30GB of storage capacity. The special edition entitled purchasers to an exclusive video with 33 minutes of interviews and performance by U2, downloadable from the iTunes Store.
In what year did apple release the special U2 model of the iPod?
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The answer:
2006