With no explanation, label each line with "O", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart", "building-airport", "building-hospital" or "building-hotel" preceded by ":".
38990
)
(
online
catalogue
)
and
records
relating
to
the
1991
inquiry
into
children
's
heart
surgery
at
the
infirmary
(
Ref
.
38990:O
):O
(:O
online:O
catalogue:O
):O
and:O
records:O
relating:O
to:O
the:O
1991:O
inquiry:O
into:O
children:O
's:O
heart:O
surgery:O
at:O
the:O
infirmary:O
(:O
Ref:O
.:O