With no explanation, label each line with "O", "person-athlete", "event-sportsevent", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart" or "building-airport" preceded by ":".
It
was
in
trying
to
follow
Nencini
down
a
mountain
on
Stage
14
of
the
1960
Tour
de
France
that
Roger
Rivière
missed
a
bend
,
crashed
over
a
wall
and
broke
his
spine
.
It:O
was:O
in:O
trying:O
to:O
follow:O
Nencini:person-athlete
down:O
a:O
mountain:O
on:O
Stage:O
14:O
of:O
the:O
1960:O
Tour:event-sportsevent
de:event-sportsevent
France:event-sportsevent
that:O
Roger:person-athlete
Rivière:person-athlete
missed:O
a:O
bend:O
,:O
crashed:O
over:O
a:O
wall:O
and:O
broke:O
his:O
spine:O
.:O