With no explanation, label each line with "O", "person-artist/author", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart", "building-airport" or "building-hospital" preceded by ":".
Vocalists
Judy
Dyble
and
Iain
Matthews
joined
them
before
the
recording
of
their
self-titled
debut
in
1968
;
afterwards
,
Dyble
was
replaced
by
Sandy
Denny
,
with
Matthews
leaving
during
the
recording
of
their
third
album
.
Vocalists:O
Judy:person-artist/author
Dyble:person-artist/author
and:O
Iain:person-artist/author
Matthews:person-artist/author
joined:O
them:O
before:O
the:O
recording:O
of:O
their:O
self-titled:O
debut:O
in:O
1968:O
;:O
afterwards:O
,:O
Dyble:person-artist/author
was:O
replaced:O
by:O
Sandy:person-artist/author
Denny:person-artist/author
,:O
with:O
Matthews:person-artist/author
leaving:O
during:O
the:O
recording:O
of:O
their:O
third:O
album:O
.:O