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 ":".
Thus
the
peninsula
looks
like
an
island
and
it
is
sometimes
called
``
island
''
.
Thus:O
the:O
peninsula:O
looks:O
like:O
an:O
island:O
and:O
it:O
is:O
sometimes:O
called:O
``:O
island:O
'':O
.:O