With no explanation, label each line with "O", "person-politician", "person-other", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart" or "building-airport" preceded by ":".
Frederick
Lascelles
,
second
son
of
the
4th
Earl
of
Harewood
.
Frederick:person-other
Lascelles:person-other
,:O
second:O
son:O
of:O
the:O
4th:person-politician
Earl:person-politician
of:person-politician
Harewood:person-politician
.:O