With no explanation, label each line with "product-airplane", "O", "location-island", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart" or "building-airport" preceded by ":".
The
Phantoms
were
replaced
in
July
1992
when
four
Panavia
Tornado
F3
arrived
in
the
Falklands
.
The:O
Phantoms:product-airplane
were:O
replaced:O
in:O
July:O
1992:O
when:O
four:O
Panavia:product-airplane
Tornado:product-airplane
F3:product-airplane
arrived:O
in:O
the:O
Falklands:location-island
.:O