With no explanation, label each line with "O", "event-other", "location-other", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart" or "building-airport" preceded by ":".
Several
prehistoric
sites
were
found
in
the
Akkar
plain
foothills
that
were
suggested
to
have
been
used
by
the
Heavy
Neolithic
Qaraoun
culture
at
the
dawn
of
the
Neolithic
Revolution
.
Several:O
prehistoric:O
sites:O
were:O
found:O
in:O
the:O
Akkar:location-other
plain:location-other
foothills:O
that:O
were:O
suggested:O
to:O
have:O
been:O
used:O
by:O
the:O
Heavy:O
Neolithic:O
Qaraoun:O
culture:O
at:O
the:O
dawn:O
of:O
the:O
Neolithic:event-other
Revolution:event-other
.:O