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 ":".
mIRC
is
an
Internet
Relay
Chat
(
IRC
)
client
for
Windows
,
created
in
1995
.
mIRC:product-software
is:O
an:O
Internet:O
Relay:O
Chat:O
(:O
IRC:O
):O
client:O
for:O
Windows:product-software
,:O
created:O
in:O
1995:O
.:O