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 ":".
The
Middlesex
Hospital
was
a
teaching
hospital
located
in
the
Fitzrovia
area
of
central
London
.
The:building-hospital
Middlesex:building-hospital
Hospital:building-hospital
was:O
a:O
teaching:O
hospital:O
located:O
in:O
the:O
Fitzrovia:location-GPE
area:O
of:O
central:O
London:location-GPE
.:O