With no explanation, label each line with "location-GPE", "O", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart", "building-airport" or "building-hospital" preceded by ":".
Driven
by
a
strong
subtropical
ridge
to
its
north
,
the
wave
quickly
approached
North
America
as
it
began
to
show
signs
of
organization
.
Driven:O
by:O
a:O
strong:O
subtropical:O
ridge:O
to:O
its:O
north:O
,:O
the:O
wave:O
quickly:O
approached:O
North:O
America:location-GPE
as:O
it:O
began:O
to:O
show:O
signs:O
of:O
organization:O
.:O