With no explanation, label each line with "O", "organization-other", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart", "building-airport" or "building-hospital" preceded by ":".
Former
Alpha
Beta
stores
have
all
been
purchased
by
other
grocery
chains
and
rebranded
.
Former:O
Alpha:organization-other
Beta:organization-other
stores:O
have:O
all:O
been:O
purchased:O
by:O
other:O
grocery:O
chains:O
and:O
rebranded:O
.:O