With no explanation, label each line with "O", "organization-company", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart", "building-airport" or "building-hospital" preceded by ":".
The
drug
is
developed
by
Progenics
Pharmaceuticals
.
The:O
drug:O
is:O
developed:O
by:O
Progenics:organization-company
Pharmaceuticals:organization-company
.:O