Opinion may undergo a survey.Logical formLearned from93 sentences. A survey may be based on (telephone interviews).Logical formLearned from93 sentences. A (reader survey) may pertain-to persons.Logical formLearned from92 sentences. Books may undergo a survey.Logical formLearned from92 sentences. A survey may pertain-to a magazine.Logical formLearned from92 sentences. Some respondents can be to a survey.Logical formLearned from92 sentences. A (salary survey) can be annual.Logical formLearned from92 sentences. An area may undergo surveys.Logical formLearned from91 sentences. Doctors may undergo a survey.Logical formLearned from91 sentences. Schools may undergo a survey.Logical formLearned from91 sentences. A link can be to a survey.Logical formLearned from91 sentences. A person may respond to a survey.Logical formLearned from91 sentences. Persons may do a survey.Logical formLearned from91 sentences. A survey may discover that something-is-the-case.Logical formLearned from91 sentences. A survey may be made public.Logical formLearned from90 sentences.