With no explanation, label each line with "location-GPE", "building-other", "O", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart" or "building-airport" preceded by ":".
The
Eastern
Refinery
was
established
in
Chittagong
.
The:O
Eastern:building-other
Refinery:building-other
was:O
established:O
in:O
Chittagong:location-GPE
.:O