With no explanation, label each line with "location-GPE", "O", "organization-other", "person-other", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting" or "art-writtenart" preceded by ":".
The
hijackers
demanded
the
release
of
Saeed
,
Masood
Azhar
and
Mushtaq
Ahmed
Zargar
,
who
were
leaders
of
Harkat-ul-Mujahideen
,
to
Pakistan
.
The:O
hijackers:O
demanded:O
the:O
release:O
of:O
Saeed:person-other
,:O
Masood:person-other
Azhar:person-other
and:O
Mushtaq:person-other
Ahmed:person-other
Zargar:person-other
,:O
who:O
were:O
leaders:O
of:O
Harkat-ul-Mujahideen:organization-other
,:O
to:O
Pakistan:location-GPE
.:O