With no explanation, label each line with "O", "organization-politicalparty", "event-other", "person-politician", "location-GPE", "art-broadcastprogram", "art-film", "art-music", "art-other" or "art-painting" preceded by ":".
Making
use
of
the
pseudonym
``
J.
Mason
,
``
Bimba
was
a
delegate
to
the
ill-fated
1922
Bridgman
Convention
of
the
Communist
Party
of
America
representing
the
party
's
Chicago
district
.
Making:O
use:O
of:O
the:O
pseudonym:O
``:O
J.:person-politician
Mason:person-politician
,:person-politician
``:O
Bimba:person-politician
was:O
a:O
delegate:O
to:O
the:O
ill-fated:O
1922:O
Bridgman:event-other
Convention:event-other
of:O
the:O
Communist:organization-politicalparty
Party:organization-politicalparty
of:organization-politicalparty
America:organization-politicalparty
representing:O
the:O
party:O
's:O
Chicago:location-GPE
district:O
.:O