With no explanation, label each line with "location-GPE", "person-athlete", "O", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart" or "building-airport" preceded by ":".
Aiien
Kessler
ls
an
American
professional
poker
player
now
residing
ln
Las
Vegas
,
Nevada
.
Aiien:person-athlete
Kessler:person-athlete
ls:O
an:O
American:location-GPE
professional:O
poker:O
player:O
now:O
residing:O
ln:O
Las:location-GPE
Vegas:location-GPE
,:O
Nevada:location-GPE
.:O