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 ":".
Long
haul
flights
were
relaunched
only
in
1994
,
using
a
newly
bought
Boeing
767-300
.
Long:O
haul:O
flights:O
were:O
relaunched:O
only:O
in:O
1994:O
,:O
using:O
a:O
newly:O
bought:O
Boeing:product-airplane
767-300:product-airplane
.:O