With no explanation, label each line with "location-GPE", "O", "organization-religion", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart" or "building-airport" preceded by ":".
He
was
the
city
's
first
Roman
Catholic
mayor
and
its
second-longest
serving
holder
of
that
office
.
He:O
was:O
the:O
city:O
's:O
first:O
Roman:location-GPE
Catholic:organization-religion
mayor:O
and:O
its:O
second-longest:O
serving:O
holder:O
of:O
that:O
office:O
.:O