With no explanation, label each line with "location-GPE", "O", "person-politician", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart" or "building-airport" preceded by ":".
After
the
failure
of
Harald
the
Younger
,
c.1200
William
of
Scotland
then
asked
King
of
the
Isles
After:O
the:O
failure:O
of:O
Harald:person-politician
the:O
Younger:O
,:O
c.1200:O
William:person-politician
of:O
Scotland:location-GPE
then:O
asked:O
King:O
of:O
the:O
Isles:O