With no explanation, label each line with "O", "event-other", "organization-government/governmentagency", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart" or "building-airport" preceded by ":".
Cyber
Storm
II
was
an
international
cyber
security
exercise
sponsored
by
the
United
States
Department
of
Homeland
Security
in
2008
.
Cyber:event-other
Storm:event-other
II:event-other
was:O
an:O
international:O
cyber:O
security:O
exercise:O
sponsored:O
by:O
the:O
United:organization-government/governmentagency
States:organization-government/governmentagency
Department:organization-government/governmentagency
of:organization-government/governmentagency
Homeland:organization-government/governmentagency
Security:organization-government/governmentagency
in:O
2008:O
.:O