With no explanation, label each line with "product-other", "O", "other-astronomything", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart" or "building-airport" preceded by ":".
The
second
Mars
Habitat
Unit
flies
to
Mars
with
the
crew
,
its
interior
given
over
completely
to
living
and
storage
space
.
The:O
second:O
Mars:product-other
Habitat:product-other
Unit:product-other
flies:O
to:O
Mars:other-astronomything
with:O
the:O
crew:O
,:O
its:O
interior:O
given:O
over:O
completely:O
to:O
living:O
and:O
storage:O
space:O
.:O