With no explanation, label each line with "O", "organization-other", "person-other", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart" or "building-airport" preceded by ":".
Since
1999
,
Hill
has
been
an
active
member
of
Debian
.
Since:O
1999:O
,:O
Hill:person-other
has:O
been:O
an:O
active:O
member:O
of:O
Debian:organization-other
.:O