With no explanation, label each line with "location-GPE", "product-airplane", "O", "organization-company", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting" or "art-writtenart" preceded by ":".
The
PZL
P.11
was
a
Polish
fighter
aircraft
,
designed
and
constructed
during
the
early
1930s
by
Warsaw
-based
aircraft
manufacturer
PZL
.
The:O
PZL:product-airplane
P.11:product-airplane
was:O
a:O
Polish:location-GPE
fighter:O
aircraft:O
,:O
designed:O
and:O
constructed:O
during:O
the:O
early:O
1930s:O
by:O
Warsaw:location-GPE
-based:O
aircraft:O
manufacturer:O
PZL:organization-company
.:O