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 ":".
In
her
book
of
memoirs
``
Dmitry
Merezhkovsky
.
In:O
her:O
book:O
of:O
memoirs:O
``:O
Dmitry:O
Merezhkovsky:O
.:O