With no explanation, label each line with "location-GPE", "O", "person-athlete", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart" or "building-airport" preceded by ":".
Usually
a
playmaker
,
Pedro
Rocha
was
one
of
the
Uruguay
's
greatest
footballers
noted
for
his
technique
,
passing
abilities
and
free
kick
ability
.
Usually:O
a:O
playmaker:O
,:O
Pedro:person-athlete
Rocha:person-athlete
was:O
one:O
of:O
the:O
Uruguay:location-GPE
's:O
greatest:O
footballers:O
noted:O
for:O
his:O
technique:O
,:O
passing:O
abilities:O
and:O
free:O
kick:O
ability:O
.:O