But before you grab an oxygen tank, there are numerous things you can do to improve air quality.
(you; grab; an oxygen tank) (numerous things; can do; to improve air quality) Context(numerous things can do,List([46, 72))):(you; to improve; air quality)
numerous things can do,List([46, 72))
you numerous things you
grab can do to improve
an oxygen tank
to improve air quality
air quality