With no explanation, label each line with "location-GPE", "O", "event-attack/battle/war/militaryconflict", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart" or "building-airport" preceded by ":".
The
Paquisha
War
was
a
brief
military
clash
that
took
place
between
January
and
February
1981
between
Ecuador
and
Peru
over
the
control
of
three
watchposts
.
The:O
Paquisha:event-attack/battle/war/militaryconflict
War:event-attack/battle/war/militaryconflict
was:O
a:O
brief:O
military:O
clash:O
that:O
took:O
place:O
between:O
January:O
and:O
February:O
1981:O
between:O
Ecuador:location-GPE
and:O
Peru:location-GPE
over:O
the:O
control:O
of:O
three:O
watchposts:O
.:O