With no explanation, label each line with "O", "person-athlete", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart", "building-airport" or "building-hospital" preceded by ":".
Instead
,
for
the
2009
season
,
he
was
signed
to
Guarany
de
Sobral
.
Instead:O
,:O
for:O
the:O
2009:O
season:O
,:O
he:O
was:O
signed:O
to:O
Guarany:person-athlete
de:person-athlete
Sobral:person-athlete
.:O