With no explanation, label each line with "O", "event-protest", "person-other", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart" or "building-airport" preceded by ":".
The
year
before
the
lynching
of
Irving
and
Herman
Arthur
saw
several
incidents
of
civil
unrest
that
spiked
during
the
so-called
American
Red
Summer
of
1919
,
with
terrorist
attacks
on
black
communities
and
white
oppression
in
over
three
dozen
cities
and
counties
.
The:O
year:O
before:O
the:O
lynching:O
of:O
Irving:person-other
and:O
Herman:person-other
Arthur:person-other
saw:O
several:O
incidents:O
of:O
civil:O
unrest:O
that:O
spiked:O
during:O
the:O
so-called:O
American:event-protest
Red:event-protest
Summer:event-protest
of:event-protest
1919:event-protest
,:event-protest
with:O
terrorist:O
attacks:O
on:O
black:O
communities:O
and:O
white:O
oppression:O
in:O
over:O
three:O
dozen:O
cities:O
and:O
counties:O
.:O