With no explanation, label each line with "product-other", "other-disease", "O", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart" or "building-airport" preceded by ":".
A
1998
MRI
study
of
nine
climbers
with
HACE
clearly
demonstrated
vasogenic
edema
.
A:O
1998:O
MRI:product-other
study:O
of:O
nine:O
climbers:O
with:O
HACE:other-disease
clearly:O
demonstrated:O
vasogenic:O
edema:O
.:O