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 ":".
Although
Lizarazu
left
after
one
season
,
Urzaiz
,
José
Mari
and
Etxeberria
were
prominent
members
of
the
1997–98
squad
,
along
with
the
returning
Rafael
Alkorta
,
Ferreira
and
regular
stalwart
Julen
Guerrero
.
Although:O
Lizarazu:person-athlete
left:O
after:O
one:O
season:O
,:O
Urzaiz:person-athlete
,:O
José:person-athlete
Mari:person-athlete
and:O
Etxeberria:person-athlete
were:O
prominent:O
members:O
of:O
the:O
1997–98:O
squad:O
,:O
along:O
with:O
the:O
returning:O
Rafael:person-athlete
Alkorta:person-athlete
,:O
Ferreira:person-athlete
and:O
regular:O
stalwart:O
Julen:person-athlete
Guerrero:person-athlete
.:O