(D) the bulb will help save energy by drawing the same 
(the bulb; will help; save energy by drawing the same) Context(the bulb will help,List([4, 22))):(the bulb; will help save; energy) Context(the bulb will help save,List([4, 27))):(the bulb; will help save energy by drawing; the same)
the bulb will help,List([4, 22)) the bulb will help save,List([4, 27))
the bulb the bulb the bulb
will help will help save will help save energy by drawing
save energy by drawing the same
energy
the same