With no explanation, label each line with "O", "event-other", "person-politician", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart" or "building-airport" preceded by ":".
Denning
became
best
known
as
a
result
of
his
report
into
the
Profumo
affair
.
Denning:person-politician
became:O
best:O
known:O
as:O
a:O
result:O
of:O
his:O
report:O
into:O
the:O
Profumo:event-other
affair:event-other
.:O