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 ":".
He
assumed
inactive
senior
status
in
1985
due
to
the
onset
of
Alzheimer
's
disease
.
He:O
assumed:O
inactive:O
senior:O
status:O
in:O
1985:O
due:O
to:O
the:O
onset:O
of:O
Alzheimer:O
's:O
disease:O
.:O