This stage of testing is designed to see if the vaccine can be safely administered to people.
(This stage of testing; is designed; to see if the vaccine can be safely administered to people) (This stage of testing; to see; if the vaccine can be safely administered to people) Context(This stage of testing to see,List([0, 40))):(the vaccine; can be safely administered; to people)
This stage of testing to see,List([0, 40))
This stage of testing This stage of testing the vaccine
is designed to see can be safely administered
to see if the vaccine can be safely administered to people
if the vaccine can be safely administered to people
to people