With no explanation, label each line with "person-politician", "O", "person-actor", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart" or "building-airport" preceded by ":".
On
26
January
1963
Keeler
was
contacted
by
police
on
an
unrelated
matter
and
voluntarily
gave
them
information
about
her
relationship
with
Profumo
.
On:O
26:O
January:O
1963:O
Keeler:person-actor
was:O
contacted:O
by:O
police:O
on:O
an:O
unrelated:O
matter:O
and:O
voluntarily:O
gave:O
them:O
information:O
about:O
her:O
relationship:O
with:O
Profumo:person-politician
.:O