With no explanation, label each line with "O", "event-sportsevent", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart", "building-airport" or "building-hospital" preceded by ":".
Earlier
that
year
,
she
was
fourth
in
the
Rotterdam
Marathon
.
Earlier:O
that:O
year:O
,:O
she:O
was:O
fourth:O
in:O
the:O
Rotterdam:event-sportsevent
Marathon:event-sportsevent
.:O