With no explanation, label each line with "location-GPE", "O", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart", "building-airport" or "building-hospital" preceded by ":".
The
latters
sleeve
note
name
checks
the
April
1957
British
dates
despite
none
of
these
tunes
being
from
the
tour
.
The:O
latters:O
sleeve:O
note:O
name:O
checks:O
the:O
April:O
1957:O
British:location-GPE
dates:O
despite:O
none:O
of:O
these:O
tunes:O
being:O
from:O
the:O
tour:O
.:O