Competition can be in a (telephone industry).Logical formLearned from23 sentences. (Telephone numbers) may be formed by digits.Logical formLearned from23 sentences. A study may be based on (telephone interviews).Logical formLearned from23 sentences. A (telephone service) can be wired.Logical formLearned from23 sentences. Results may be based on (telephone interviews).Logical formLearned from23 sentences. Households can be without telephones.Logical formLearned from23 sentences. A (telephone conversation) may take place.Logical formLearned from23 sentences. Results may be based on (telephone interviews).Logical formLearned from23 sentences. A (telephone call) can be to a reporter.Logical formLearned from23 sentences. Telephones may be tapped.Logical formLearned from23 sentences. A poll may be based on a (telephone survey) of some voters.Logical formLearned from23 sentences. Persons may answer a telephone.Logical formLearned from23 sentences. (Telephone tappings) can be illegal.Logical formLearned from23 sentences. A poll of some persons may be conducted by telephone.Logical formLearned from23 sentences. Officials may return a (telephone message).Logical formLearned from23 sentences.