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 ":".
A
Chinese
family
resided
in
Ludlow
.
A:O
Chinese:O
family:O
resided:O
in:O
Ludlow:location-GPE
.:O