With no explanation, label each line with "organization-showorganization", "location-GPE", "O", "person-artist/author", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting" or "art-writtenart" preceded by ":".
Aeon
Zen
are
an
English
progressive
metal
band
formed
in
2008
,
led
by
founding
member
Rich
Gray
(
formerly
Hinks
)
.
Aeon:organization-showorganization
Zen:organization-showorganization
are:O
an:O
English:location-GPE
progressive:O
metal:O
band:O
formed:O
in:O
2008:O
,:O
led:O
by:O
founding:O
member:O
Rich:person-artist/author
Gray:person-artist/author
(:O
formerly:O
Hinks:person-artist/author
):O
.:O