With no explanation, label each line with "O", "other-chemicalthing", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart", "building-airport" or "building-hospital" preceded by ":".
louping
ill
virus
.
louping:other-chemicalthing
ill:other-chemicalthing
virus:other-chemicalthing
.:O