With no explanation, label each line with "product-other", "O", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart", "building-airport" or "building-hospital" preceded by ":".
NASA
also
built
several
duplexes
for
housing
,
during
the
Shuttle-Mir
program
.
NASA:O
also:O
built:O
several:O
duplexes:O
for:O
housing:O
,:O
during:O
the:O
Shuttle-Mir:product-other
program:product-other
.:O