With no explanation, label each line with "location-GPE", "O", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart", "building-airport" or "building-hospital" preceded by ":".
Anderson
Cancer
Center
in
Houston
,
Texas
.
Anderson:O
Cancer:O
Center:O
in:O
Houston:location-GPE
,:O
Texas:location-GPE
.:O