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 ":".
Famous
people
regularly
appear
in
Pantos
,
such
as
Ian
McKellen
.
Famous:O
people:O
regularly:O
appear:O
in:O
Pantos:O
,:O
such:O
as:O
Ian:person-actor
McKellen:person-actor
.:O