With no explanation, label each line with "O", "organization-government/governmentagency", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart", "building-airport" or "building-hospital" preceded by ":".
This
was
the
first
wilderness
protection
bill
to
be
passed
by
the
United
States
Congress
in
five
years
.
This:O
was:O
the:O
first:O
wilderness:O
protection:O
bill:O
to:O
be:O
passed:O
by:O
the:O
United:organization-government/governmentagency
States:organization-government/governmentagency
Congress:organization-government/governmentagency
in:O
five:O
years:O
.:O