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
kidnapping
of
tens
of
passengers
by
Israel
after
questioning
them
was
reported
,
some
of
them
patients
.
The:O
kidnapping:O
of:O
tens:O
of:O
passengers:O
by:O
Israel:O
after:O
questioning:O
them:O
was:O
reported:O
,:O
some:O
of:O
them:O
patients:O
.:O