With no explanation, label each line with "other-disease", "O", "other-biologything", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart" or "building-airport" preceded by ":".
Cerebral
deposition
of
amyloid
beta
peptide
is
an
early
and
critical
feature
of
Alzheimer
's
disease
and
a
frequent
complication
of
Down
syndrome
.
Cerebral:O
deposition:O
of:O
amyloid:other-biologything
beta:other-biologything
peptide:other-biologything
is:O
an:O
early:O
and:O
critical:O
feature:O
of:O
Alzheimer:other-disease
's:other-disease
disease:other-disease
and:O
a:O
frequent:O
complication:O
of:O
Down:other-disease
syndrome:other-disease
.:O