With no explanation, label each line with "product-airplane", "O", "person-other", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart" or "building-airport" preceded by ":".
The
Starship
was
a
former
United
Airlines
Boeing
720
passenger
jet
,
bought
by
Bobby
Sherman
and
his
manager
,
Ward
Sylvester
,
and
leased
to
touring
musical
artists
in
the
mid-1970s
.
The:O
Starship:O
was:O
a:O
former:O
United:product-airplane
Airlines:product-airplane
Boeing:product-airplane
720:product-airplane
passenger:product-airplane
jet:product-airplane
,:O
bought:O
by:O
Bobby:person-other
Sherman:person-other
and:O
his:O
manager:O
,:O
Ward:person-other
Sylvester:person-other
,:O
and:O
leased:O
to:O
touring:O
musical:O
artists:O
in:O
the:O
mid-1970s:O
.:O