With no explanation, label each line with "location-GPE", "O", "person-other", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart" or "building-airport" preceded by ":".
On
12
August
1328
,
Henry
married
Margaret
of
Bohemia
.
On:O
12:O
August:O
1328:O
,:O
Henry:person-other
married:O
Margaret:person-other
of:O
Bohemia:location-GPE
.:O