With no explanation, label each line with "location-GPE", "O", "building-hospital", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart" or "building-airport" preceded by ":".
Montreal
Children
's
Hospital
(
)
is
a
children
's
hospital
in
Montreal
,
Quebec
,
Canada
.
Montreal:building-hospital
Children:building-hospital
's:building-hospital
Hospital:building-hospital
(:O
):O
is:O
a:O
children:O
's:O
hospital:O
in:O
Montreal:location-GPE
,:O
Quebec:location-GPE
,:O
Canada:location-GPE
.:O