With no explanation, label each line with "location-GPE", "O", "organization-religion", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart" or "building-airport" preceded by ":".
The
Comanches
arrived
in
San
Antonio
on
March
19
.
The:O
Comanches:organization-religion
arrived:O
in:O
San:location-GPE
Antonio:location-GPE
on:O
March:O
19:O
.:O