question: OPTIONS:
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The system was later extended to cover larger ranges and some of its practical shortcomings were addressed by the Austrian scientist Josef Maria Eder (18551944) and Flemish-born botanist Walter Hecht (de) (18961960), (who, in 1919/1920, jointly developed their EderHecht neutral wedge sensitometer measuring emulsion speeds in EderHecht grades).
Who developed a device that improved on the shortcomings of Scheiner's invention?

answer: yes

[Q]: Sentence: Its largest moon, Triton, was discovered shortly thereafter, though none of the planet's remaining known 14 moons were located telescopically until the 20th century. Question: Who discovered Neptune? OPTIONS:
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[A]: no

Q: Does "Dell had done well with a horizontal organization that focused on PCs when the computing industry moved to horizontal mix-and-match layers in the 1980s, but by the mid-2000 the industry shifted to vertically integrated stacks to deliver complete IT solutions and Dell lagged far behind competitors like Hewlett Packard and Oracle." provide a valid answer to "Dell lagged behind Hewlett Packard and Oracle in delivering what kind of solutions?"?
OPTIONS:
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A: yes

Problem: Does "All three stages of the stone age (Paleolithic, Mesolithic, and Neolithic) are represented in Greece, for example in the Franchthi Cave." answer the question "The Franchthi cave has evidence of what 3 ancient eras?" OPTIONS:
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A: yes

Does the sentence "The very first Solvay Conference in 1911 was devoted to "the theory of radiation and quanta"." provide a valid answer to the question "Who received the Nobel Prize in Physics in 1918?" OPTIONS:
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A: no

Does the sentence "West played his first concert following the funeral at The O2 in London on November 22." provide a valid answer to the question "On what tour did Kanye perform "Hey Mama" and his version of Journey's "Don't Stop Believing" in memory of his mother?" OPTIONS:
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A:
no