With no explanation, label each line with "O", "person-actor", "person-other", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart" or "building-airport" preceded by ":".
In
guest
appearances
,
Jennie
Garth
,
Shannen
Doherty
and
Tori
Spelling
reprised
their
roles
as
Kelly
Taylor
,
Brenda
Walsh
and
Donna
Martin
,
respectively
.
In:O
guest:O
appearances:O
,:O
Jennie:person-actor
Garth:person-actor
,:O
Shannen:person-actor
Doherty:person-actor
and:O
Tori:person-actor
Spelling:person-actor
reprised:O
their:O
roles:O
as:O
Kelly:person-other
Taylor:person-other
,:O
Brenda:person-other
Walsh:person-other
and:O
Donna:person-other
Martin:person-other
,:O
respectively:O
.:O