With no explanation, label each line with "location-GPE", "O", "person-other", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart" or "building-airport" preceded by ":".
On
4
April
1950
,
Bidhan
Chandra
Roy
stated
that
2
million
refugees
from
East
Bengal
had
already
taken
shelter
in
India
.
On:O
4:O
April:O
1950:O
,:O
Bidhan:person-other
Chandra:person-other
Roy:person-other
stated:O
that:O
2:O
million:O
refugees:O
from:O
East:location-GPE
Bengal:location-GPE
had:O
already:O
taken:O
shelter:O
in:O
India:location-GPE
.:O