With no explanation, label each line with "O", "organization-sportsleague", "organization-sportsteam", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart" or "building-airport" preceded by ":".
In
September
2011
signed
for
Swiss
Challenge
League
team
FC
Lugano
and
played
his
debut
on
23
.
In:O
September:O
2011:O
signed:O
for:O
Swiss:organization-sportsleague
Challenge:organization-sportsleague
League:organization-sportsleague
team:O
FC:organization-sportsteam
Lugano:organization-sportsteam
and:O
played:O
his:O
debut:O
on:O
23:O
.:O