With no explanation, label each line with "O", "person-actor", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart", "building-airport" or "building-hospital" preceded by ":".
Brett
also
stars
in
series
8
and
10
,
outside
of
Christine
's
tenure
as
Headteacher
.
Brett:person-actor
also:O
stars:O
in:O
series:O
8:O
and:O
10:O
,:O
outside:O
of:O
Christine:O
's:O
tenure:O
as:O
Headteacher:O
.:O