With no explanation, label each line with "O", "person-artist/author", "organization-other", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart" or "building-airport" preceded by ":".
In
1968
,
Balestrini
was
co-founder
of
the
Potere
Operaio
political
group
and
in
1976
was
an
important
supporter
of
the
Autonomia
Operaia
.
In:O
1968:O
,:O
Balestrini:person-artist/author
was:O
co-founder:O
of:O
the:O
Potere:organization-other
Operaio:organization-other
political:organization-other
group:organization-other
and:O
in:O
1976:O
was:O
an:O
important:O
supporter:O
of:O
the:O
Autonomia:organization-other
Operaia:organization-other
.:O