With no explanation, label each line with "O", "building-hotel", "person-other", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart" or "building-airport" preceded by ":".
Most
of
Oscar
Tschirky
's
recollections
therein
are
devoted
to
the
Waldorf-Astoria
Hotel
and
its
founder
,
George
C.
Boldt
,
and
his
wife
,
Louise
Kehrer
Boldt
.
Most:O
of:O
Oscar:person-other
Tschirky:person-other
's:O
recollections:O
therein:O
are:O
devoted:O
to:O
the:O
Waldorf-Astoria:building-hotel
Hotel:building-hotel
and:O
its:O
founder:O
,:O
George:person-other
C.:person-other
Boldt:person-other
,:O
and:O
his:O
wife:O
,:O
Louise:person-other
Kehrer:person-other
Boldt:person-other
.:O