With no explanation, label each line with "O", "product-software", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart", "building-airport" or "building-hospital" preceded by ":".
Entropy
was
designed
to
be
compatible
with
the
similar
Freenet
system
.
Entropy:product-software
was:O
designed:O
to:O
be:O
compatible:O
with:O
the:O
similar:O
Freenet:product-software
system:O
.:O