With no explanation, label each line with "person-athlete", "location-other", "O", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart" or "building-airport" preceded by ":".
Ivan
Basso
gained
the
lead
after
the
eleventh
stage
,
which
finished
in
Zoldo
Alto
.
Ivan:person-athlete
Basso:person-athlete
gained:O
the:O
lead:O
after:O
the:O
eleventh:O
stage:O
,:O
which:O
finished:O
in:O
Zoldo:location-other
Alto:location-other
.:O