My life preserver, my rope and my boat helped me pull one, then two, then four people out of the sea.
(my rope and my boat; helped; me pull one, then two, then four people out of the sea) Context(my rope and my boat helped,List([19, 45))):(me; pull then then; one)
my rope and my boat helped,List([19, 45))
my rope and my boat me
helped pull then then
me pull one, then two, then four people out of the sea
one