With no explanation, label each line with "O", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart", "building-airport", "building-hospital" or "building-hotel" preceded by ":".
The
combat
reconnaissance
platoon
secured
the
patrol
base
and
received
the
first
resupply
pending
the
arrival
of
the
rest
of
the
force
.
The:O
combat:O
reconnaissance:O
platoon:O
secured:O
the:O
patrol:O
base:O
and:O
received:O
the:O
first:O
resupply:O
pending:O
the:O
arrival:O
of:O
the:O
rest:O
of:O
the:O
force:O
.:O