With no explanation, label each line with "O", "other-currency", "organization-company", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart" or "building-airport" preceded by ":".
The
Porto
Metro
state-owned
company
has
reported
losses
every
year
,
reaching
a
record
loss
of
122
million
euros
in
2006
.
The:O
Porto:organization-company
Metro:organization-company
state-owned:O
company:O
has:O
reported:O
losses:O
every:O
year:O
,:O
reaching:O
a:O
record:O
loss:O
of:O
122:O
million:O
euros:other-currency
in:O
2006:O
.:O