A strategy may prove unsuccessful.Logical formLearned from11 sentences. A way may prove that something-is-the-case.Logical formLearned from11 sentences. Calculations may prove that something-is-the-case.Logical formLearned from11 sentences. Measurements may prove that something-is-the-case.Logical formLearned from11 sentences. (Exit polls) may prove correct.Logical formLearned from11 sentences. Arguments may prove that something-is-the-case.Logical formLearned from11 sentences. Persons may prove determination.Logical formLearned from11 sentences. A cure may prove worse.Logical formLearned from11 sentences. Intelligence may prove wrong.Logical formLearned from11 sentences. Speculation may prove inaccurate.Logical formLearned from11 sentences. An (animal kingdom) may prove a combination.Logical formLearned from11 sentences. Ways may prove irritatings.Logical formLearned from11 sentences. A system may prove popular.Logical formLearned from11 sentences. A design may prove effective.Logical formLearned from11 sentences. A (pilot project) may prove successful.Logical formLearned from11 sentences.