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 ":".
The
hillfort
of
Pen
y
Bannau
is
1
km
east
of
the
village
.
The:O
hillfort:O
of:O
Pen:location-GPE
y:location-GPE
Bannau:location-GPE
is:O
1:O
km:O
east:O
of:O
the:O
village:O
.:O