With no explanation, label each line with "location-GPE", "O", "building-hotel", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart" or "building-airport" preceded by ":".
He
was
also
part
of
a
group
of
investors
who
built
the
Pierre
Hotel
in
Manhattan
,
which
opened
in
1930
.
He:O
was:O
also:O
part:O
of:O
a:O
group:O
of:O
investors:O
who:O
built:O
the:O
Pierre:building-hotel
Hotel:building-hotel
in:O
Manhattan:location-GPE
,:O
which:O
opened:O
in:O
1930:O
.:O