With no explanation, label each line with "O", "person-politician", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart", "building-airport" or "building-hospital" preceded by ":".
However
,
no
formal
action
was
taken
to
rectify
this
,
and
Wilson
remained
in
charge
.
However:O
,:O
no:O
formal:O
action:O
was:O
taken:O
to:O
rectify:O
this:O
,:O
and:O
Wilson:person-politician
remained:O
in:O
charge:O
.:O