With no explanation, label each line with "O", "product-train", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart", "building-airport" or "building-hospital" preceded by ":".
These
are
similar
to
Mark
3As
,
but
have
an
improved
motor
alternator
unit
with
compound-wound
motor
and
seating
derived
from
the
Advanced
Passenger
Train
(
APT
)
.
These:O
are:O
similar:O
to:O
Mark:product-train
3As:product-train
,:O
but:O
have:O
an:O
improved:O
motor:O
alternator:O
unit:O
with:O
compound-wound:O
motor:O
and:O
seating:O
derived:O
from:O
the:O
Advanced:product-train
Passenger:product-train
Train:product-train
(:product-train
APT:product-train
):product-train
.:O