With no explanation, label each line with "O", "person-artist/author", "person-other", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart" or "building-airport" preceded by ":".
It
was
originally
a
partnership
between
Oliver
Postgate
(
writer
,
animator
and
narrator
)
and
Peter
Firmin
(
modelmaker
and
illustrator
)
.
It:O
was:O
originally:O
a:O
partnership:O
between:O
Oliver:person-artist/author
Postgate:person-artist/author
(:O
writer:O
,:O
animator:O
and:O
narrator:O
):O
and:O
Peter:person-other
Firmin:person-other
(:O
modelmaker:O
and:O
illustrator:O
):O
.:O