With no explanation, label each line with "location-GPE", "O", "person-politician", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart" or "building-airport" preceded by ":".
In
975
,
King
Edgar
is
described
as
``
friend
of
the
West
Saxons
and
protector
of
the
Mercians
``
.
In:O
975:O
,:O
King:O
Edgar:person-politician
is:O
described:O
as:O
``:O
friend:O
of:O
the:location-GPE
West:location-GPE
Saxons:location-GPE
and:O
protector:O
of:O
the:O
Mercians:location-GPE
``:O
.:O