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 ":".
At
one
point
the
airline
's
fleet
included
Russian-made
Tupolev
as
well
as
Boeing
jets
.
At:O
one:O
point:O
the:O
airline:O
's:O
fleet:O
included:O
Russian-made:product-airplane
Tupolev:product-airplane
as:O
well:O
as:O
Boeing:product-airplane
jets:O
.:O