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 ":".
It
is
the
largest
operational
prison
ship
facility
in
the
United
States
currently
in
operation
.
It:O
is:O
the:O
largest:O
operational:O
prison:O
ship:O
facility:O
in:O
the:O
United:location-GPE
States:location-GPE
currently:O
in:O
operation:O
.:O