Unanswered questions can be about a death.Logical formLearned from10 sentences. Calls to headquarters may go unanswered.Logical formLearned from10 sentences. Knocks may go unanswered.Logical formLearned from10 sentences. Unanswered questions can be about a mission.Logical formLearned from10 sentences. An aggression may go unanswered.Logical formLearned from10 sentences. A knock may go unanswered.Logical formLearned from9 sentences. ..s can be unanswered.Logical formLearned from9 sentences. Email may go unanswered.Logical formLearned from9 sentences. Petitions can be unanswered.Logical formLearned from9 sentences. Persons may have a lot of unanswered questions.Logical formLearned from9 sentences. A question of an existence of a deity may remain unanswered.Logical formLearned from9 sentences. A (phone call) can be unanswered.Logical formLearned from9 sentences. Mail can be unanswered.Logical formLearned from9 sentences. Attacks can be unanswered.Logical formLearned from9 sentences. A phone can be unanswered.Logical formLearned from9 sentences.