With no explanation, label each line with "location-GPE", "art-film", "O", "event-other", "art-broadcastprogram", "art-music", "art-other", "art-painting", "art-writtenart" or "building-airport" preceded by ":".
Whilst
a
groundbreaking
event
for
its
time
in
the
Summer
of
Love
ahead
of
the
famous
Monterey
Pop
Festival
and
possibly
the
first
Rock
music
festival
in
the
UK
,
the
event
remains
largely
unknown
outside
of
its
home
.
Whilst:O
a:O
groundbreaking:O
event:O
for:O
its:O
time:O
in:O
the:O
Summer:art-film
of:art-film
Love:art-film
ahead:O
of:O
the:O
famous:O
Monterey:event-other
Pop:event-other
Festival:event-other
and:O
possibly:O
the:O
first:O
Rock:O
music:O
festival:O
in:O
the:O
UK:location-GPE
,:O
the:O
event:O
remains:O
largely:O
unknown:O
outside:O
of:O
its:O
home:O
.:O