With no explanation, label each line with "person-athlete", "O", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart", "building-airport" or "building-hospital" preceded by ":".
Langer
shot
a
third
round
69
(
−2
)
to
take
a
three
stroke
lead
into
the
final
round
.
Langer:person-athlete
shot:O
a:O
third:O
round:O
69:O
(:O
−2:O
):O
to:O
take:O
a:O
three:O
stroke:O
lead:O
into:O
the:O
final:O
round:O
.:O