With no explanation, label each line with "location-GPE", "O", "organization-government/governmentagency", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart" or "building-airport" preceded by ":".
The
United
States
Air
Force
Office
of
Special
Investigations
became
in
charge
of
the
investigation
.
The:location-GPE
United:location-GPE
States:location-GPE
Air:organization-government/governmentagency
Force:organization-government/governmentagency
Office:organization-government/governmentagency
of:organization-government/governmentagency
Special:organization-government/governmentagency
Investigations:O
became:O
in:O
charge:O
of:O
the:O
investigation:O
.:O