With no explanation, label each line with "O", "organization-company", "person-actor", "location-GPE", "person-director", "building-restaurant", "person-other", "art-broadcastprogram", "art-film" or "art-music" preceded by ":".
Johnson
was
about
to
move
back
to
New
York
when
Lucille
Ball
took
him
to
Chasen
's
Restaurant
,
where
she
introduced
him
to
MGM
casting
director
Billy
Grady
who
was
sitting
at
the
next
table
.
Johnson:person-actor
was:O
about:O
to:O
move:O
back:O
to:O
New:location-GPE
York:location-GPE
when:O
Lucille:person-other
Ball:person-other
took:O
him:O
to:O
Chasen:building-restaurant
's:building-restaurant
Restaurant:building-restaurant
,:O
where:O
she:O
introduced:O
him:O
to:O
MGM:organization-company
casting:O
director:O
Billy:person-director
Grady:person-director
who:O
was:O
sitting:O
at:O
the:O
next:O
table:O
.:O