In order to survive, OEMs need just 3 things: air, water, and food (which they get in the form of HYDROCARBONS by breaking down oil).
(OEMs; need; just 3 things) (air, water, and food; get; in the form of HYDROCARBONS)
OEMs air, water, and food
need get
just 3 things
in the form of HYDROCARBONS