With no explanation, label each line with "O", "person-actor", "person-scholar", "other-award", "organization-education", "person-other", "art-broadcastprogram", "art-film", "art-music" or "art-other" preceded by ":".
Guests
have
included
Lisa
Randall
,
a
Harvard
theoretical
physicist
;
Nobel
laureate
Amartya
Sen
;
Alan
Dershowitz
;
Sam
Huntington
of
``
Clash
of
Civilizations
''
;
public
radio
program
directors
;
biographers
Megan
Marshall
and
Carol
Bundy
;
philosopher
Simon
Blackburn
;
David
Weinberger
;
and
others
.
Guests:O
have:O
included:O
Lisa:person-scholar
Randall:person-scholar
,:O
a:O
Harvard:organization-education
theoretical:O
physicist:O
;:O
Nobel:other-award
laureate:other-award
Amartya:person-actor
Sen:person-actor
;:O
Alan:person-other
Dershowitz:person-other
;:O
Sam:person-other
Huntington:person-other
of:O
``:O
Clash:O
of:O
Civilizations:O
'':O
;:O
public:O
radio:O
program:O
directors:O
;:O
biographers:O
Megan:person-other
Marshall:person-other
and:O
Carol:person-other
Bundy:person-other
;:O
philosopher:O
Simon:person-other
Blackburn:person-other
;:O
David:person-other
Weinberger:person-other
;:O
and:O
others:O
.:O