With no explanation, label each line with "art-writtenart", "O", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "building-airport", "building-hospital" or "building-hotel" preceded by ":".
``
Pwyll
,
Prince
of
Dyfed
Pwyll
,
Prince
of
Dyfed
``
also
carries
many
similarities
to
the
Mabinogi
Branwen
.
``:O
Pwyll:art-writtenart
,:art-writtenart
Prince:art-writtenart
of:art-writtenart
Dyfed:art-writtenart
Pwyll:art-writtenart
,:art-writtenart
Prince:art-writtenart
of:art-writtenart
Dyfed:art-writtenart
``:O
also:O
carries:O
many:O
similarities:O
to:O
the:O
Mabinogi:art-writtenart
Branwen:art-writtenart
.:O