With no explanation, label each line with "location-GPE", "O", "person-politician", "person-other", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting" or "art-writtenart" preceded by ":".
However
,
while
it
is
possible
that
the
Wallaces
were
originally
Britons
from
Wales
,
who
came
north
with
David
I
of
Scotland
in
the
eleventh
century
,
another
theory
is
that
they
were
Britons
who
had
settled
in
Strathclyde
in
the
tenth
century
.
However:O
,:O
while:O
it:O
is:O
possible:O
that:O
the:O
Wallaces:person-politician
were:O
originally:O
Britons:location-GPE
from:O
Wales:location-GPE
,:O
who:O
came:O
north:O
with:O
David:person-politician
I:person-politician
of:O
Scotland:location-GPE
in:O
the:O
eleventh:O
century:O
,:O
another:O
theory:O
is:O
that:O
they:O
were:O
Britons:person-other
who:O
had:O
settled:O
in:O
Strathclyde:location-GPE
in:O
the:O
tenth:O
century:O
.:O