With no explanation, label each line with "O", "location-other", "person-politician", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart" or "building-airport" preceded by ":".
However
,
President
Ayub
Khan
did
implement
significant
industrialization
in
East
Pakistan
.
However:O
,:O
President:O
Ayub:person-politician
Khan:person-politician
did:O
implement:O
significant:O
industrialization:O
in:O
East:location-other
Pakistan:location-other
.:O