With no explanation, label each line with "location-GPE", "O", "organization-government/governmentagency", "person-politician", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting" or "art-writtenart" preceded by ":".
The
hospital
was
an
initiative
of
Captain
Akhtar
Ahmed
,
who
was
a
physician
of
4th
East
Bengal
Regiment
in
Comilla
Cantonment
.
The:O
hospital:O
was:O
an:O
initiative:O
of:O
Captain:O
Akhtar:person-politician
Ahmed:person-politician
,:O
who:O
was:O
a:O
physician:O
of:O
4th:O
East:organization-government/governmentagency
Bengal:organization-government/governmentagency
Regiment:organization-government/governmentagency
in:O
Comilla:location-GPE
Cantonment:location-GPE
.:O