With no explanation, label each line with "O", "organization-other", "person-politician", "location-GPE", "event-attack/battle/war/militaryconflict", "art-broadcastprogram", "art-film", "art-music", "art-other" or "art-painting" preceded by ":".
During
the
Spanish
Civil
War
he
was
an
assistant
to
Juan
Garcia
Oliver
in
the
Committee
of
Antifascist
Militias
and
marched
to
the
Aragon
front
,
where
he
was
head
of
the
Columna
Ascaso
,
taking
places
such
as
Barbastro
,
Grañén
and
Vicién
.
During:O
the:event-attack/battle/war/militaryconflict
Spanish:event-attack/battle/war/militaryconflict
Civil:event-attack/battle/war/militaryconflict
War:event-attack/battle/war/militaryconflict
he:O
was:O
an:O
assistant:O
to:O
Juan:person-politician
Garcia:person-politician
Oliver:person-politician
in:O
the:O
Committee:organization-other
of:organization-other
Antifascist:organization-other
Militias:organization-other
and:O
marched:O
to:O
the:O
Aragon:location-GPE
front:O
,:O
where:O
he:O
was:O
head:O
of:O
the:O
Columna:organization-other
Ascaso:organization-other
,:O
taking:O
places:O
such:O
as:O
Barbastro:location-GPE
,:O
Grañén:location-GPE
and:O
Vicién:location-GPE
.:O