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 ":".
This
machine
was
similar
to
the
Mark
I
,
except
that
it
did
not
include
Williams
tubes
and
used
only
the
magnetic
drum
for
main
memory
.
This:O
machine:O
was:O
similar:O
to:O
the:O
Mark:product-other
I:product-other
,:O
except:O
that:O
it:O
did:O
not:O
include:O
Williams:product-other
tubes:product-other
and:O
used:O
only:O
the:O
magnetic:O
drum:O
for:O
main:O
memory:O
.:O