With no explanation, label each line with "other-disease", "O", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart", "building-airport" or "building-hospital" preceded by ":".
Persons
with
self-limiting
infection
clear
the
infection
spontaneously
within
weeks
to
months
.
Persons:O
with:O
self-limiting:other-disease
infection:other-disease
clear:O
the:O
infection:O
spontaneously:O
within:O
weeks:O
to:O
months:O
.:O