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
class
performed
adequately
and
reliably
on
the
tasks
for
which
they
were
designed
,
but
were
less
versatile
than
might
have
been
hoped
.
The:O
class:O
performed:O
adequately:O
and:O
reliably:O
on:O
the:O
tasks:O
for:O
which:O
they:O
were:O
designed:O
,:O
but:O
were:O
less:O
versatile:O
than:O
might:O
have:O
been:O
hoped:O
.:O