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 ":".
Ethiopian
Airlines
rejects
the
accusation
of
piloting
error
.
Ethiopian:organization-company
Airlines:organization-company
rejects:O
the:O
accusation:O
of:O
piloting:O
error:O
.:O