With no explanation, label each line with "location-GPE", "O", "person-artist/author", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart" or "building-airport" preceded by ":".
It
was
composed
by
Uzeyir
Hajibeyov
,
who
also
composed
the
current
national
anthem
of
Azerbaijan
.
It:O
was:O
composed:O
by:O
Uzeyir:person-artist/author
Hajibeyov:person-artist/author
,:O
who:O
also:O
composed:O
the:O
current:O
national:O
anthem:O
of:O
Azerbaijan:location-GPE
.:O