With no explanation, label each line with "location-GPE", "O", "person-politician", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart" or "building-airport" preceded by ":".
The
mayor
of
Gibraltar
then
had
a
meeting
with
the
then
President
of
Madeira
Alberto
João
Jardim
.
The:O
mayor:O
of:O
Gibraltar:location-GPE
then:O
had:O
a:O
meeting:O
with:O
the:O
then:O
President:O
of:O
Madeira:location-GPE
Alberto:person-politician
João:person-politician
Jardim:person-politician
.:O