With no explanation, label each line with "product-airplane", "O", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart", "building-airport" or "building-hospital" preceded by ":".
The
particular
trajectory
taken
by
SMART-1
to
the
Moon
required
thrusting
for
about
one
third
to
one
half
of
every
orbit
.
The:O
particular:O
trajectory:O
taken:O
by:O
SMART-1:product-airplane
to:O
the:O
Moon:O
required:O
thrusting:O
for:O
about:O
one:O
third:O
to:O
one:O
half:O
of:O
every:O
orbit:O
.:O