With no explanation, label each line with "O", "organization-company", "organization-other", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart" or "building-airport" preceded by ":".
By
1990
,
Hercules
used
35
acres
of
their
3500
acre
lease
held
through
the
Bureau
of
Indian
Affairs
and
employed
17
people
on
site
.
By:O
1990:O
,:O
Hercules:organization-company
used:O
35:O
acres:O
of:O
their:O
3500:O
acre:O
lease:O
held:O
through:O
the:O
Bureau:organization-other
of:organization-other
Indian:organization-other
Affairs:organization-other
and:O
employed:O
17:O
people:O
on:O
site:O
.:O