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 ":".
Gray
,
an
experienced
sailor
,
owned
a
40-foot
sailboat
.
Gray:person-other
,:O
an:O
experienced:O
sailor:O
,:O
owned:O
a:O
40-foot:O
sailboat:O
.:O