With no explanation, label each line with "other-livingthing", "O", "event-other", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart" or "building-airport" preceded by ":".
In
addition
to
the
traditional
role
of
cattle
dog
,
the
Perros
de
Presa
Canario
have
been
used
for
dog
fighting
.
In:O
addition:O
to:O
the:O
traditional:O
role:O
of:O
cattle:other-livingthing
dog:other-livingthing
,:O
the:O
Perros:other-livingthing
de:other-livingthing
Presa:other-livingthing
Canario:other-livingthing
have:O
been:O
used:O
for:O
dog:event-other
fighting:event-other
.:O