Q: Does "Most species of penguin (Spheniscidae) migrate by swimming." provide a valid answer to "How do penguins migrate?"?
A: yes

Q: Does "Drug discovery and development is very expensive; of all compounds investigated for use in humans only a small fraction are eventually approved in most nations by government appointed medical institutions or boards, who have to approve new drugs before they can be marketed in those countries." provide a valid answer to "How many pharmaceutical drugs were approved on average since 2001?"?
A: no

Q: Does "In time, large regional military families formed around members of the court aristocracy who had become prominent provincial figures." provide a valid answer to "Who were the three prominent families during the rise of the warrior classes?"?
A: no

Q: Does "Upon leaving school, Bell travelled to London to live with his grandfather, Alexander Bell." provide a valid answer to "What school did Bell leave at 15?"?
A:
no