With no explanation, label each line with "O", "organization-sportsteam", "person-actor", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart" or "building-airport" preceded by ":".
Graham
Gooch
is
a
West
Ham
United
supporter
.
Graham:person-actor
Gooch:person-actor
is:O
a:O
West:organization-sportsteam
Ham:organization-sportsteam
United:organization-sportsteam
supporter:O
.:O