With no explanation, label each line with "O", "organization-company", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart", "building-airport" or "building-hospital" preceded by ":".
The
play
was
later
performed
by
Playbox
Theatre
Company
in
2008
.
The:O
play:O
was:O
later:O
performed:O
by:O
Playbox:organization-company
Theatre:organization-company
Company:organization-company
in:O
2008:O
.:O