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 ":".
presented
a
production
March–April
,
2017
.
presented:O
a:O
production:O
March–April:O
,:O
2017:O
.:O