With no explanation, label each line with "O", "product-ship", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart", "building-airport" or "building-hospital" preceded by ":".
Bangladesh
army
issued
tender
for
procuring
two
``
Troops
Carrier
Vessel
(
TCV
)
''
in
January
2018
.
Bangladesh:O
army:O
issued:O
tender:O
for:O
procuring:O
two:O
``:O
Troops:product-ship
Carrier:product-ship
Vessel:product-ship
(:O
TCV:product-ship
):O
'':O
in:O
January:O
2018:O
.:O