Unanswered questions may surround a death.Logical formLearned from22 sentences. Calls to an embassy may go unanswered.Logical formLearned from22 sentences. Telephones may go unanswered.Logical formLearned from21 sentences. Some unanswered questions can be about a (missile shield).Logical formLearned from21 sentences. A male may have unanswered questions.Logical formLearned from20 sentences. A matter can be unanswered.Logical formLearned from20 sentences. Persons may have unanswered questions.Logical formLearned from20 sentences. Calls to a headquarters may ring unanswered.Logical formLearned from20 sentences. Unanswered questions can be about safety.Logical formLearned from20 sentences. A (murder investigation) can be with unanswered questions.Logical formLearned from19 sentences. A list can be constituted-of-or-filled-with unanswered questions.Logical formLearned from19 sentences. Calls to a (cell phone) may go unanswered.Logical formLearned from19 sentences. Calls to a public (security bureau) may ring unanswered.Logical formLearned from19 sentences. Unanswered questions can be in a case.Logical formLearned from19 sentences. Calls to a (press office) may go unanswered.Logical formLearned from19 sentences.