With no explanation, label each line with "O", "event-other", "organization-other", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart" or "building-airport" preceded by ":".
Americans
for
Tax
Reform
is
a
grantee
of
the
Donors
Trust
,
a
nonprofit
donor-advised
fund
.
Americans:O
for:O
Tax:event-other
Reform:event-other
is:O
a:O
grantee:O
of:O
the:O
Donors:organization-other
Trust:organization-other
,:O
a:O
nonprofit:O
donor-advised:O
fund:O
.:O