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 ":".
In
1968
,
he
died
of
a
heart
attack
at
Sunnybrook
Health
Sciences
Centre
in
Toronto
at
the
age
of
59
.
In:O
1968:O
,:O
he:O
died:O
of:O
a:O
heart:O
attack:O
at:O
Sunnybrook:building-hospital
Health:building-hospital
Sciences:building-hospital
Centre:building-hospital
in:O
Toronto:location-GPE
at:O
the:O
age:O
of:O
59:O
.:O