Q: Does "The "soft" AC format has reinvented in the late 2000s/early 2010s as a result of its declining relevance, adopting a more upmarket, middle-of-the-road approach, with a selection of "oldies" (usually from the 1960s/70s onwards), primarily rock, jazz, R&B and pop music." provide a valid answer to "During what period did soft AC stations attempt to reinvent themselves?"?
OPTIONS:
- yes
- no
A: yes

Q: Does "Even before Han's expansion into Central Asia, diplomat Zhang Qian's travels from 139 to 125 BC had established Chinese contacts with many surrounding civilizations." provide a valid answer to "Which diplomat helped gather information on the country of Anxi?"?
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- no
A: yes

Q: Does "As the number and size of agricultural societies increased, they expanded into lands traditionally used by hunter-gatherers." provide a valid answer to "What did the increase in agricultural areas produce?"?
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A: no

Q: Does "Microbial culture may also be used in the identification of viruses: the medium in this case being cells grown in culture that the virus can infect, and then alter or kill." provide a valid answer to "What is a region of dead cells resulting from viral growth called?"?
OPTIONS:
- yes
- no
A:
no