With no explanation, label each line with "location-GPE", "location-bodiesofwater", "O", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart" or "building-airport" preceded by ":".
Subarnarekha
River
was
blocked
by
Nayagram
and
Keshri
.
Subarnarekha:location-bodiesofwater
River:location-bodiesofwater
was:O
blocked:O
by:O
Nayagram:location-GPE
and:O
Keshri:location-GPE
.:O