With no explanation, label each line with "location-GPE", "O", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart", "building-airport" or "building-hospital" preceded by ":".
Upon
winding
down
of
the
British
Commonwealth
Air
Training
Plan
,
No
.
Upon:O
winding:O
down:O
of:O
the:O
British:location-GPE
Commonwealth:location-GPE
Air:O
Training:O
Plan:O
,:O
No:O
.:O