Questions may be left unanswered.Logical formLearned from42 sentences. A question can be unanswered.Logical formLearned from41 sentences. Unanswered questions can be serious.Logical formLearned from41 sentences. A charge may go unanswered.Logical formLearned from41 sentences. Messages can be unanswered.Logical formLearned from40 sentences. E-mails can be unanswered.Logical formLearned from40 sentences. A host can be constituted-of-or-filled-with unanswered questions.Logical formLearned from40 sentences. Calls to offices may go unanswered.Logical formLearned from40 sentences. A phone may go unanswered.Logical formLearned from38 sentences. Calls to an office may ring unanswered.Logical formLearned from38 sentences. Some questions may go unanswered.Logical formLearned from36 sentences. A call can be unanswered.Logical formLearned from35 sentences. Calls to a court may ring unanswered.Logical formLearned from35 sentences. A letter may go unanswered.Logical formLearned from34 sentences. Complaints can be unanswered.Logical formLearned from33 sentences.