With no explanation, label each line with "art-broadcastprogram", "location-GPE", "O", "person-artist/author", "art-film", "art-music", "art-other", "art-painting", "art-writtenart" or "building-airport" preceded by ":".
In
1956
,
with
a
wealth
of
broadcasting
experience
and
not
yet
out
of
his
twenties
,
Rex
Trailer
chose
the
move
to
Boston
to
host
a
new
weekend-morning
children
's
show
``
Boomtown
``
on
WBZ-TV
.
In:O
1956:O
,:O
with:O
a:O
wealth:O
of:O
broadcasting:O
experience:O
and:O
not:O
yet:O
out:O
of:O
his:O
twenties:O
,:O
Rex:person-artist/author
Trailer:person-artist/author
chose:O
the:O
move:O
to:O
Boston:location-GPE
to:O
host:O
a:O
new:O
weekend-morning:O
children:O
's:O
show:O
``:O
Boomtown:art-broadcastprogram
``:O
on:O
WBZ-TV:O
.:O