With no explanation, label each line with "location-GPE", "O", "event-protest", "person-other", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting" or "art-writtenart" preceded by ":".
In
Chihuahua
,
two
separate
cavalcades
commemorate
the
history
of
the
Mexican
Revolution
and
Francisco
(
Pancho
)
Villa
.
In:O
Chihuahua:location-GPE
,:O
two:O
separate:O
cavalcades:O
commemorate:O
the:O
history:O
of:O
the:O
Mexican:event-protest
Revolution:event-protest
and:O
Francisco:person-other
(:person-other
Pancho:person-other
):person-other
Villa:person-other
.:O