With no explanation, label each line with "location-GPE", "O", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart", "building-airport" or "building-hospital" preceded by ":".
Amravati
district
is
a
district
of
Maharashtra
state
in
central
India
.
Amravati:location-GPE
district:O
is:O
a:O
district:O
of:O
Maharashtra:location-GPE
state:O
in:O
central:O
India:location-GPE
.:O