With no explanation, label each line with "O", "person-director", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart", "building-airport" or "building-hospital" preceded by ":".
Spielberg
acknowledged
that
it
made
him
``
...
feel
very
old
,
too
old
to
direct
it
.
''
Spielberg:person-director
acknowledged:O
that:O
it:O
made:O
him:O
``:O
...:O
feel:O
very:O
old:O
,:O
too:O
old:O
to:O
direct:O
it:O
.:O
'':O