Does the sentence "Visually, the interior of the brain consists of areas of so-called grey matter, with a dark color, separated by areas of white matter, with a lighter color." provide a valid answer to the question "Grey matter of the brain is what color?" OPTIONS:
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- no

A: yes

Does the sentence "Natural bronze, a type of copper made from ores rich in silicon, arsenic, and (rarely) tin, came into general use in the Balkans around 5500 BC.[citation needed]" provide a valid answer to the question "When did Natural bronze start to be used by the general public?" OPTIONS:
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A: yes

Does the sentence "Led Zeppelin's bassist John Paul Jones is an accomplished mandolin player and has recorded numerous songs on mandolin including Going to California and That's the Way; the mandolin part on The Battle of Evermore is played by Jimmy Page, who composed the song." provide a valid answer to the question "Who played the mandolin on the album Tubular Bells?" OPTIONS:
- yes
- no

A: no

Does the sentence "Printing enabled the standardization of descriptions and specifications of instruments, as well as instruction in their use." provide a valid answer to the question "What enabled descriptions and specification of instruments?" OPTIONS:
- yes
- no

A:
yes