With no explanation, label each line with "product-airplane", "O", "location-mountain", "organization-other", "location-GPE", "art-broadcastprogram", "art-film", "art-music", "art-other" or "art-painting" preceded by ":".
The
Bell
47
introduced
the
helicopter
to
the
RNZAF
and
the
Bell
UH-1
Iroquois
of
3
Squadron
went
to
the
Sinai
and
East
Timor
,
while
Westland
Wasp
and
Kaman
SH-2
Seasprite
helicopters
were
also
operated
by
the
squadron
.
The:O
Bell:product-airplane
47:product-airplane
introduced:O
the:O
helicopter:O
to:O
the:O
RNZAF:organization-other
and:O
the:O
Bell:product-airplane
UH-1:product-airplane
Iroquois:product-airplane
of:O
3:organization-other
Squadron:organization-other
went:O
to:O
the:O
Sinai:location-mountain
and:O
East:location-GPE
Timor:location-GPE
,:O
while:O
Westland:product-airplane
Wasp:product-airplane
and:O
Kaman:product-airplane
SH-2:product-airplane
Seasprite:product-airplane
helicopters:O
were:O
also:O
operated:O
by:O
the:O
squadron:O
.:O