With no explanation, label each line with "O", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart", "building-airport", "building-hospital" or "building-hotel" preceded by ":".
Located
at
the
southernmost
end
of
the
fairgrounds
and
west
of
the
Space
Needle
,
the
World
of
Science
was
located
under
the
arches
,
an
easily
identifiable
landmark
.
Located:O
at:O
the:O
southernmost:O
end:O
of:O
the:O
fairgrounds:O
and:O
west:O
of:O
the:O
Space:O
Needle:O
,:O
the:O
World:O
of:O
Science:O
was:O
located:O
under:O
the:O
arches:O
,:O
an:O
easily:O
identifiable:O
landmark:O
.:O