With no explanation, label each line with "O", "location-road/railway/highway/transit", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart", "building-airport" or "building-hospital" preceded by ":".
This
underground
concourse
is
considered
to
be
part
of
the
Chicago
Pedway
.
This:O
underground:O
concourse:O
is:O
considered:O
to:O
be:O
part:O
of:O
the:O
Chicago:location-road/railway/highway/transit
Pedway:location-road/railway/highway/transit
.:O