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
name
was
derived
from
that
of
its
primary
escort
ship
,
the
heavy
cruiser
.
The:O
name:O
was:O
derived:O
from:O
that:O
of:O
its:O
primary:O
escort:O
ship:O
,:O
the:O
heavy:O
cruiser:O
.:O