There are certain swamps, particularly in downstate Michigan, that produce a gas that forms into a ball and it is ignited.
(certain swamps, particularly in downstate; produce; a gas that forms into a ball and it is ignited) (a gas; forms; into a ball) (a gas; is ignited; it)
certain swamps, particularly in downstate a gas a gas
produce forms is ignited
a gas that forms into a ball and it is ignited
into a ball
it