With no explanation, label each line with "building-library", "building-other", "O", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart" or "building-airport" preceded by ":".
The
Commonwealth
Building
,
which
included
the
postgraduate
medical
school
,
the
Wellcome
Library
and
some
research
departments
,
was
opened
by
the
Queen
in
May
1966
.
The:O
Commonwealth:building-other
Building:building-other
,:O
which:O
included:O
the:O
postgraduate:O
medical:O
school:O
,:O
the:O
Wellcome:building-library
Library:building-library
and:O
some:O
research:O
departments:O
,:O
was:O
opened:O
by:O
the:O
Queen:O
in:O
May:O
1966:O
.:O