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 ":".
That
very
evening
,
riots
broke
out
in
Derby
,
where
a
mob
attacked
the
city
jail
and
freed
several
prisoners
.
That:O
very:O
evening:O
,:O
riots:O
broke:O
out:O
in:O
Derby:location-GPE
,:O
where:O
a:O
mob:O
attacked:O
the:O
city:O
jail:O
and:O
freed:O
several:O
prisoners:O
.:O