With no explanation, label each line with "product-other", "building-other", "O", "location-GPE", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting" or "art-writtenart" preceded by ":".
The
Gemini
Observatory
is
an
astronomical
observatory
consisting
of
two
8.1-metre
(
26.6
ft
)
telescopes
,
Gemini
North
and
Gemini
South
,
which
are
located
at
two
separate
sites
in
Hawaii
and
Chile
,
respectively
.
The:O
Gemini:building-other
Observatory:building-other
is:O
an:O
astronomical:O
observatory:O
consisting:O
of:O
two:O
8.1-metre:O
(:O
26.6:O
ft:O
):O
telescopes:O
,:O
Gemini:product-other
North:product-other
and:O
Gemini:product-other
South:product-other
,:O
which:O
are:O
located:O
at:O
two:O
separate:O
sites:O
in:O
Hawaii:location-GPE
and:O
Chile:location-GPE
,:O
respectively:O
.:O