With no explanation, label each line with "O", "organization-politicalparty", "person-scholar", "event-attack/battle/war/militaryconflict", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting" or "art-writtenart" preceded by ":".
In
2005
,
efforts
to
bring
the
scholar
Ward
Churchill
to
speak
on
campus
provoked
considerable
protest
due
to
his
remarks
following
the
9/11
attacks
that
compared
the
victims
to
Nazis
.
In:O
2005:O
,:O
efforts:O
to:O
bring:O
the:O
scholar:O
Ward:person-scholar
Churchill:person-scholar
to:O
speak:O
on:O
campus:O
provoked:O
considerable:O
protest:O
due:O
to:O
his:O
remarks:O
following:O
the:O
9/11:event-attack/battle/war/militaryconflict
attacks:event-attack/battle/war/militaryconflict
that:O
compared:O
the:O
victims:O
to:O
Nazis:organization-politicalparty
.:O