A close may pertain-to an investigation.Logical formLearned from31 sentences. An investigation can be fruitless.Logical formLearned from31 sentences. Persons may continue investigations.Logical formLearned from31 sentences. A US-city may call for an investigation.Logical formLearned from31 sentences. An investigation may pertain-to a council.Logical formLearned from31 sentences. A laboratory can be at a center of an investigation of (anthrax mailings).Logical formLearned from31 sentences. An investigation may have an effect.Logical formLearned from31 sentences. An investigation may reach a conclusion.Logical formLearned from31 sentences. An investigation can be into circumstances of a departure.Logical formLearned from31 sentences. A male may face investigations.Logical formLearned from31 sentences. An investigation can be a whitewash.Logical formLearned from31 sentences. An investigation may gain momentum.Logical formLearned from31 sentences. A (police investigation) may begin.Logical formLearned from31 sentences. Connection can be with a (terrorism investigation).Logical formLearned from31 sentences. Documents may undergo an investigation.Logical formLearned from31 sentences.