With no explanation, label each line with "O", "organization-other", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart", "building-airport" or "building-hospital" preceded by ":".
It
became
apparent
that
UNIFIL
could
no
longer
continue
peacekeeping
along
the
same
path
.
It:O
became:O
apparent:O
that:O
UNIFIL:organization-other
could:O
no:O
longer:O
continue:O
peacekeeping:O
along:O
the:O
same:O
path:O
.:O