With no explanation, label each line with "location-GPE", "O", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart", "building-airport" or "building-hospital" preceded by ":".
The
stained
glass
windows
of
the
upper
chapel
,
about
half
of
them
original
,
are
one
of
the
most
important
monuments
of
Medieval
art
in
Paris
.
The:O
stained:O
glass:O
windows:O
of:O
the:O
upper:O
chapel:O
,:O
about:O
half:O
of:O
them:O
original:O
,:O
are:O
one:O
of:O
the:O
most:O
important:O
monuments:O
of:O
Medieval:O
art:O
in:O
Paris:location-GPE
.:O