While the vaccine contains only killed virus, manufacturers must grow the virus to make the vaccine.
(the vaccine; contains; only killed virus) (manufacturers; must grow; the virus; to make the vaccine) Context(manufacturers must grow,List([46, 69))):(manufacturers; must grow the virus to make; the vaccine)
manufacturers must grow,List([46, 69))
the vaccine manufacturers manufacturers
contains must grow must grow the virus to make
only killed virus
the virus to make the vaccine
the vaccine