With no explanation, label each line with "organization-showorganization", "location-GPE", "O", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart" or "building-airport" preceded by ":".
After
finishing
the
North
American
leg
of
the
tour
,
Black
Sabbath
toured
Asia
and
Australia
.
After:O
finishing:O
the:O
North:location-GPE
American:location-GPE
leg:O
of:O
the:O
tour:O
,:O
Black:organization-showorganization
Sabbath:organization-showorganization
toured:O
Asia:location-GPE
and:O
Australia:location-GPE
.:O