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 ":".
Upon
Oscar
's
retirement
in
1943
,
Philippe
stepped
into
this
position
as
``
Maître
d'hôtel
``
.
Upon:O
Oscar:person-other
's:O
retirement:O
in:O
1943:O
,:O
Philippe:person-other
stepped:O
into:O
this:O
position:O
as:O
``:O
Maître:building-hotel
d'hôtel:building-hotel
``:O
.:O