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 ":".
It
is
thought
that
there
are
several
goits
in
culverts
near
Blonk
Street
,
but
their
exact
extent
is
unknown
.
It:O
is:O
thought:O
that:O
there:O
are:O
several:O
goits:O
in:O
culverts:O
near:O
Blonk:location-road/railway/highway/transit
Street:location-road/railway/highway/transit
,:O
but:O
their:O
exact:O
extent:O
is:O
unknown:O
.:O