With no explanation, label each line with "O", "building-airport", "organization-other", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart" or "building-hospital" preceded by ":".
The
squadron
was
redesignated
the
758th
Troop
Carrier
Squadron
and
again
activated
at
Pittsburgh
Airport
in
the
reserve
in
1957
.
The:O
squadron:O
was:O
redesignated:O
the:organization-other
758th:organization-other
Troop:organization-other
Carrier:organization-other
Squadron:organization-other
and:O
again:O
activated:O
at:O
Pittsburgh:building-airport
Airport:building-airport
in:O
the:O
reserve:O
in:O
1957:O
.:O