With no explanation, label each line with "O", "building-hotel", "organization-company", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart" or "building-airport" preceded by ":".
The
hotel
remains
under
the
Delta
Hotels
management
banner
,
which
was
acquired
by
Marriott
International
in
2015
.
The:O
hotel:O
remains:O
under:O
the:O
Delta:building-hotel
Hotels:building-hotel
management:O
banner:O
,:O
which:O
was:O
acquired:O
by:O
Marriott:organization-company
International:organization-company
in:O
2015:O
.:O