With no explanation, label each line with "O", "person-politician", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart", "building-airport" or "building-hospital" preceded by ":".
The
crisis
was
triggered
by
a
false
allegation
of
an
assassination
plot
against
President
Sirisena
and
lasted
for
7
weeks
but
had
a
lasting
political
and
economic
impact
on
the
country
.
The:O
crisis:O
was:O
triggered:O
by:O
a:O
false:O
allegation:O
of:O
an:O
assassination:O
plot:O
against:O
President:person-politician
Sirisena:person-politician
and:O
lasted:O
for:O
7:O
weeks:O
but:O
had:O
a:O
lasting:O
political:O
and:O
economic:O
impact:O
on:O
the:O
country:O
.:O