Does the sentence "Nine stadiums that have seen Premier League football have now been demolished." provide a valid answer to the question "How many stadiums have been closed down since Premier League started?"

A: yes

Does the sentence "Too many consumers attempting to save (or pay down debt) simultaneously is called the paradox of thrift and can cause or deepen a recession." provide a valid answer to the question "What is an example of something that can be detrimental if too many individuals pursue the same behavior?"

A: no

Does the sentence "Unlike many other groups that emerged within Christianity, the Religious Society of Friends has actively tried to avoid creeds and hierarchical structures." provide a valid answer to the question "What types of Christianity do Quakers belong to?"

A: no

Does the sentence "Equal-loudness contours may also be used to weight the perceptual importance of components." provide a valid answer to the question "What may be used to weight the importance of components?"

A:
yes