With no explanation, label each line with "product-other", "O", "organization-company", "organization-government/governmentagency", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting" or "art-writtenart" preceded by ":".
The
Walter
M601
is
a
turboprop
aircraft
engine
produced
by
Walter
Aircraft
Engines
of
the
Czech
Republic
.
The:O
Walter:product-other
M601:product-other
is:O
a:O
turboprop:O
aircraft:O
engine:O
produced:O
by:O
Walter:organization-company
Aircraft:organization-company
Engines:organization-company
of:O
the:O
Czech:organization-government/governmentagency
Republic:organization-government/governmentagency
.:O