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 ":".
As
well
as
being
a
research
tool
,
Nmap
has
become
a
research
topic
.
As:O
well:O
as:O
being:O
a:O
research:O
tool:O
,:O
Nmap:product-software
has:O
become:O
a:O
research:O
topic:O
.:O