With no explanation, label each line with "location-GPE", "O", "building-hotel", "person-other", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting" or "art-writtenart" preceded by ":".
On
April
30
,
1968
,
the
Silver
Slipper
was
purchased
by
businessman
Howard
Hughes
for
$
5.4
million
in
his
famous
spending
spree
of
buying
Vegas
properties
,
which
included
the
Frontier
next
door
.
On:O
April:O
30:O
,:O
1968:O
,:O
the:O
Silver:building-hotel
Slipper:building-hotel
was:O
purchased:O
by:O
businessman:O
Howard:person-other
Hughes:person-other
for:O
$:O
5.4:O
million:O
in:O
his:O
famous:O
spending:O
spree:O
of:O
buying:O
Vegas:location-GPE
properties:O
,:O
which:O
included:O
the:O
Frontier:O
next:O
door:O
.:O