With no explanation, label each line with "O", "location-GPE", "person-artist/author", "person-soldier", "person-other", "art-broadcastprogram", "art-film", "art-music", "art-other" or "art-painting" preceded by ":".
Landsbergis
'
father
is
Vytautas
V.
Landsbergis
,
a
Lithuanian
writer
,
and
his
mother
is
Giedrė
Bukelytė
.
Landsbergis:person-soldier
':O
father:O
is:O
Vytautas:person-artist/author
V.:person-artist/author
Landsbergis:person-artist/author
,:O
a:O
Lithuanian:location-GPE
writer:O
,:O
and:O
his:O
mother:O
is:O
Giedrė:person-other
Bukelytė:person-other
.:O