With no explanation, label each line with "organization-media/newspaper", "O", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart", "building-airport" or "building-hospital" preceded by ":".
It
was
first
shown
by
the
BBC
in
May
1981
.
It:O
was:O
first:O
shown:O
by:O
the:O
BBC:organization-media/newspaper
in:O
May:O
1981:O
.:O