With no explanation, label each line with "person-politician", "location-GPE", "O", "event-attack/battle/war/militaryconflict", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting" or "art-writtenart" preceded by ":".
But
Halabja
suffered
much
more
during
the
Al-Anfal
campaign
,
in
which
Saddam
Hussein
violently
suppressed
Kurdish
revolts
during
the
Iran–Iraq
War
.
But:O
Halabja:location-GPE
suffered:O
much:O
more:O
during:O
the:O
Al-Anfal:event-attack/battle/war/militaryconflict
campaign:O
,:O
in:O
which:O
Saddam:person-politician
Hussein:person-politician
violently:O
suppressed:O
Kurdish:event-attack/battle/war/militaryconflict
revolts:O
during:O
the:O
Iran–Iraq:event-attack/battle/war/militaryconflict
War:event-attack/battle/war/militaryconflict
.:O