With no explanation, label each line with "O", "person-politician", "location-GPE", "building-hotel", "person-other", "art-broadcastprogram", "art-film", "art-music", "art-other" or "art-painting" preceded by ":".
In
addition
to
Sanguily
,
the
United
States
ambassador
,
Sumner
Welles
was
also
staying
at
the
Hotel
Nacional
de
Cuba
.
In:O
addition:O
to:O
Sanguily:person-politician
,:O
the:O
United:location-GPE
States:location-GPE
ambassador:O
,:O
Sumner:person-other
Welles:person-other
was:O
also:O
staying:O
at:O
the:O
Hotel:building-hotel
Nacional:building-hotel
de:building-hotel
Cuba:building-hotel
.:O