Demand may prove stronger.Logical formLearned from16 sentences. A female may prove a point.Logical formLearned from16 sentences. Activities may prove that something-is-the-case.Logical formLearned from16 sentences. Talks may prove fruitless.Logical formLearned from16 sentences. Reports may prove correct.Logical formLearned from16 sentences. A respite may prove short-lived.Logical formLearned from16 sentences. (Dna tests) may prove negative.Logical formLearned from16 sentences. A continent may prove that something-is-the-case.Logical formLearned from16 sentences. Negotiations may prove difficult.Logical formLearned from16 sentences. An increase may prove ineffective.Logical formLearned from15 sentences. A person may prove themselves.Logical formLearned from15 sentences. A film may prove popular.Logical formLearned from15 sentences. Suggestions may prove helpful.Logical formLearned from15 sentences. Tactics may prove successful.Logical formLearned from15 sentences. An attempt may prove successful.Logical formLearned from15 sentences.