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 ":".
84
Squadron
RAF
flying
Westland
Whirlwinds
.
84:O
Squadron:O
RAF:O
flying:O
Westland:location-GPE
Whirlwinds:location-GPE
.:O