With no explanation, label each line with "O", "other-language", "person-politician", "location-GPE", "person-artist/author", "art-writtenart", "art-broadcastprogram", "art-film", "art-music" or "art-other" preceded by ":".
Ptolemy
's
``
Geography
``
was
translated
from
Arabic
into
Latin
at
the
court
of
King
Roger
II
of
Sicily
in
the
12th
century
CE
.
Ptolemy:person-artist/author
's:O
``:O
Geography:art-writtenart
``:O
was:O
translated:O
from:O
Arabic:other-language
into:O
Latin:other-language
at:O
the:O
court:O
of:O
King:person-politician
Roger:person-politician
II:person-politician
of:O
Sicily:location-GPE
in:O
the:O
12th:O
century:O
CE:O
.:O