With no explanation, label each line with "location-GPE", "O", "organization-education", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart" or "building-airport" preceded by ":".
Imperial
College
London
(
legally
Imperial
College
of
Science
,
Technology
and
Medicine
)
is
a
public
research
university
in
London
.
Imperial:organization-education
College:organization-education
London:organization-education
(:O
legally:O
Imperial:organization-education
College:organization-education
of:O
Science:O
,:O
Technology:O
and:O
Medicine:O
):O
is:O
a:O
public:O
research:O
university:O
in:O
London:location-GPE
.:O