With no explanation, label each line with "product-airplane", "O", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart", "building-airport" or "building-hospital" preceded by ":".
The
Mirage
2000N
was
being
replaced
by
the
Dassault
Rafale
F3
as
of
2011
.
The:O
Mirage:product-airplane
2000N:product-airplane
was:O
being:O
replaced:O
by:O
the:O
Dassault:product-airplane
Rafale:product-airplane
F3:product-airplane
as:O
of:O
2011:O
.:O