With no explanation, label each line with "location-GPE", "O", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart", "building-airport" or "building-hospital" preceded by ":".
Primary
education
in
Wales
has
a
similar
structure
to
Primary
education
in
England
,
but
teaching
of
the
Welsh
language
is
compulsory
and
it
is
used
as
the
medium
of
instruction
in
many
schools
.
Primary:O
education:O
in:O
Wales:location-GPE
has:O
a:O
similar:O
structure:O
to:O
Primary:O
education:O
in:O
England:location-GPE
,:O
but:O
teaching:O
of:O
the:O
Welsh:location-GPE
language:O
is:O
compulsory:O
and:O
it:O
is:O
used:O
as:O
the:O
medium:O
of:O
instruction:O
in:O
many:O
schools:O
.:O