With no explanation, label each line with "O", "person-other", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart", "building-airport" or "building-hospital" preceded by ":".
It
made
its
maiden
flight
on
18
August
1911
,
flown
by
de
Havilland
.
It:O
made:O
its:O
maiden:O
flight:O
on:O
18:O
August:O
1911:O
,:O
flown:O
by:O
de:person-other
Havilland:person-other
.:O