With no explanation, label each line with "location-GPE", "O", "event-protest", "person-politician", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting" or "art-writtenart" preceded by ":".
This
and
the
Selma
to
Montgomery
marches
of
1965
contributed
to
passage
of
the
Voting
Rights
Act
of
1965
,
which
Johnson
signed
on
August
6
of
that
year
.
This:O
and:O
the:O
Selma:location-GPE
to:O
Montgomery:location-GPE
marches:O
of:O
1965:O
contributed:O
to:O
passage:O
of:O
the:O
Voting:event-protest
Rights:event-protest
Act:event-protest
of:O
1965:O
,:O
which:O
Johnson:person-politician
signed:O
on:O
August:O
6:O
of:O
that:O
year:O
.:O