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 ":".
They
had
a
son
,
Jason
H.
Bernie
(
1918–1969
)
.
They:O
had:O
a:O
son:O
,:O
Jason:person-other
H.:person-other
Bernie:person-other
(:O
1918–1969:O
):O
.:O