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 ":".
Filming
started
on
30
June
1964
and
continued
for
three
months
.
Filming:O
started:O
on:O
30:O
June:O
1964:O
and:O
continued:O
for:O
three:O
months:O
.:O