With no explanation, label each line with "O", "person-scholar", "location-other", "location-GPE", "person-other", "art-broadcastprogram", "art-film", "art-music", "art-other" or "art-painting" preceded by ":".
It
was
discovered
at
the
Kvistaberg
Station
of
the
Uppsala
Observatory
in
Sweden
on
4
September
1975
,
by
Swedish
astronomer
Claes-Ingvar
Lagerkvist
,
who
named
it
after
his
daughter
,
Anna
Birgitta
Angelica
Lagerkvist
.
It:O
was:O
discovered:O
at:O
the:O
Kvistaberg:location-other
Station:location-other
of:O
the:O
Uppsala:location-other
Observatory:location-other
in:O
Sweden:location-GPE
on:O
4:O
September:O
1975:O
,:O
by:O
Swedish:location-GPE
astronomer:O
Claes-Ingvar:person-scholar
Lagerkvist:person-scholar
,:O
who:O
named:O
it:O
after:O
his:O
daughter:O
,:O
Anna:person-other
Birgitta:person-other
Angelica:person-other
Lagerkvist:person-other
.:O