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 ":".
Sela
views
it
as
the
biggest
win
of
his
career
to
that
point
.
Sela:person-athlete
views:O
it:O
as:O
the:O
biggest:O
win:O
of:O
his:O
career:O
to:O
that:O
point:O
.:O