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 ":".
In
2011
,
it
assisted
Opération
Harmattan
in
Libya
.
In:O
2011:O
,:O
it:O
assisted:O
Opération:event-attack/battle/war/militaryconflict
Harmattan:event-attack/battle/war/militaryconflict
in:O
Libya:location-GPE
.:O