With no explanation, label each line with "O", "event-disaster", "event-attack/battle/war/militaryconflict", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart" or "building-airport" preceded by ":".
The
portal
is
mainly
known
for
publishing
``
alternative
views
''
and
conspiracy
theories
,
such
as
about
the
9/11
attack
and
the
Coronavirus
pandemic
.
The:O
portal:O
is:O
mainly:O
known:O
for:O
publishing:O
``:O
alternative:O
views:O
'':O
and:O
conspiracy:O
theories:O
,:O
such:O
as:O
about:O
the:O
9/11:event-attack/battle/war/militaryconflict
attack:O
and:O
the:O
Coronavirus:event-disaster
pandemic:event-disaster
.:O