With no explanation, label each line with "other-livingthing", "O", "other-chemicalthing", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart" or "building-airport" preceded by ":".
Male
rabbits
showed
a
loss
of
coordination
and
equilibrium
after
exposure
to
400
ppm
of
2-butoxyethanol
for
two
days
.
Male:O
rabbits:other-livingthing
showed:O
a:O
loss:O
of:O
coordination:O
and:O
equilibrium:O
after:O
exposure:O
to:O
400:O
ppm:O
of:O
2-butoxyethanol:other-chemicalthing
for:O
two:O
days:O
.:O