With no explanation, label each line with "O", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart", "building-airport", "building-hospital" or "building-hotel" preceded by ":".
On
24/25
April
1622
,
he
began
a
campaign
against
the
Emperor
and
his
Catholic
allies
.
On:O
24/25:O
April:O
1622:O
,:O
he:O
began:O
a:O
campaign:O
against:O
the:O
Emperor:O
and:O
his:O
Catholic:O
allies:O
.:O