With no explanation, label each line with "O", "organization-other", "person-scholar", "location-GPE", "organization-government/governmentagency", "art-broadcastprogram", "art-film", "art-music", "art-other" or "art-painting" preceded by ":".
First
accurately
shown
on
an
Argentine
government
chart
of
1957
,
it
was
named
by
the
United
Kingdom
Antarctic
Place-Names
Committee
(
UK-APC
)
in
1959
after
Walter
I.
Wittmann
,
an
American
oceanographer
who
has
specialized
in
sea
ice
studies
.
First:O
accurately:O
shown:O
on:O
an:O
Argentine:organization-government/governmentagency
government:O
chart:O
of:O
1957:O
,:O
it:O
was:O
named:O
by:O
the:O
United:organization-other
Kingdom:organization-other
Antarctic:organization-other
Place-Names:organization-other
Committee:organization-other
(:O
UK-APC:organization-other
):O
in:O
1959:O
after:O
Walter:person-scholar
I.:person-scholar
Wittmann:person-scholar
,:O
an:O
American:location-GPE
oceanographer:O
who:O
has:O
specialized:O
in:O
sea:O
ice:O
studies:O
.:O