With no explanation, label each line with "product-other", "location-GPE", "O", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart" or "building-airport" preceded by ":".
The
Giro
started
off
in
Milan
on
14
May
with
a
flat
stage
and
concluded
back
in
Milan
with
a
relatively
flat
mass-start
stage
on
5
June
.
The:O
Giro:product-other
started:O
off:O
in:O
Milan:location-GPE
on:O
14:O
May:O
with:O
a:O
flat:O
stage:O
and:O
concluded:O
back:O
in:O
Milan:location-GPE
with:O
a:O
relatively:O
flat:O
mass-start:O
stage:O
on:O
5:O
June:O
.:O