source: [lemma=interior] [lemma=department] [lemma=illegally] [lemma=□] □
destination: [lemma=interior] [lemma=department] [lemma=illegally] [lemma=withhold] □
spec: The Interior Department illegally withheld extensive information about that agency 's role with the energy task force , providing only 881 pages of documents . Wan Ruizhong was found guilty of taking bribes to keep the accident quiet and it was not reported until two weeks after the event .