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 ":".
On
this
A-list
were
the
names
of
18
scientists
.
On:O
this:O
A-list:O
were:O
the:O
names:O
of:O
18:O
scientists:O
.:O