With no explanation, label each line with "O", "organization-company", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart", "building-airport" or "building-hospital" preceded by ":".
But
after
two
years
,
Richemont
proposed
to
take
majority
ownership
immediately
.
But:O
after:O
two:O
years:O
,:O
Richemont:organization-company
proposed:O
to:O
take:O
majority:O
ownership:O
immediately:O
.:O