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 ":".
Of
the
27
species
monitored
by
the
council
,
17
have
not
recovered
.
Of:O
the:O
27:O
species:O
monitored:O
by:O
the:O
council:O
,:O
17:O
have:O
not:O
recovered:O
.:O