With no explanation, label each line with "O", "person-politician", "person-other", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart" or "building-airport" preceded by ":".
After
the
assassination
of
president
Abdirashid
Ali
Shermarke
and
Siad
Barre
coming
to
power
in
October
,
1969
,
Magan
Isse
was
considered
dangerous
to
the
new
leadership
and
was
imprisoned
from
1972
to
October
1975
.
After:O
the:O
assassination:O
of:O
president:O
Abdirashid:person-politician
Ali:person-politician
Shermarke:person-politician
and:O
Siad:person-politician
Barre:person-politician
coming:O
to:O
power:O
in:O
October:O
,:O
1969:O
,:O
Magan:person-other
Isse:person-other
was:O
considered:O
dangerous:O
to:O
the:O
new:O
leadership:O
and:O
was:O
imprisoned:O
from:O
1972:O
to:O
October:O
1975:O
.:O