With no explanation, label each line with "O", "person-other", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart", "building-airport" or "building-hospital" preceded by ":".
Richard
replies
``
I
think
we
are
now
in
one
sense
''
.
Richard:person-other
replies:O
``:O
I:O
think:O
we:O
are:O
now:O
in:O
one:O
sense:O
'':O
.:O