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
aft
position
was
used
to
reduce
landing
bounce
and
reduce
risk
of
tip-back
during
ground
handling
.
The:O
aft:O
position:O
was:O
used:O
to:O
reduce:O
landing:O
bounce:O
and:O
reduce:O
risk:O
of:O
tip-back:O
during:O
ground:O
handling:O
.:O