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 ":".
The
following
is
a
list
of
the
parks
in
the
city
of
Toronto
,
Ontario
,
Canada
.
The:O
following:O
is:O
a:O
list:O
of:O
the:O
parks:O
in:O
the:O
city:O
of:O
Toronto:location-GPE
,:O
Ontario:location-GPE
,:O
Canada:location-GPE
.:O