With no explanation, label each line with "O", "location-park", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart", "building-airport" or "building-hospital" preceded by ":".
previously
played
on
three
different
grounds
at
Eirias
Park
during
their
history
.
previously:O
played:O
on:O
three:O
different:O
grounds:O
at:O
Eirias:location-park
Park:location-park
during:O
their:O
history:O
.:O