With no explanation, label each line with "location-GPE", "O", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart", "building-airport" or "building-hospital" preceded by ":".
They
were
in
close
proximity
to
the
1996
Manchester
bombing
.
They:O
were:O
in:O
close:O
proximity:O
to:O
the:O
1996:O
Manchester:location-GPE
bombing:O
.:O