With no explanation, label each line with "location-GPE", "O", "organization-other", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart" or "building-airport" preceded by ":".
While
in
college
,
he
served
in
the
Reserve
Officers
'
Training
Corps
,
and
after
college
,
he
was
commissioned
as
a
Second
Lieutenant
in
the
United
States
Air
Force
in
June
1969
.
While:O
in:O
college:O
,:O
he:O
served:O
in:O
the:O
Reserve:organization-other
Officers:organization-other
':organization-other
Training:organization-other
Corps:organization-other
,:O
and:O
after:O
college:O
,:O
he:O
was:O
commissioned:O
as:O
a:O
Second:O
Lieutenant:O
in:O
the:O
United:location-GPE
States:location-GPE
Air:O
Force:O
in:O
June:O
1969:O
.:O