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 ":".
Hook
's
nomination
was
opposed
by
railroad
companies
,
who
were
displeased
that
Hook
had
successfully
won
judgments
against
them
while
in
private
practice
.
Hook:person-politician
's:O
nomination:O
was:O
opposed:O
by:O
railroad:O
companies:O
,:O
who:O
were:O
displeased:O
that:O
Hook:person-politician
had:O
successfully:O
won:O
judgments:O
against:O
them:O
while:O
in:O
private:O
practice:O
.:O