A title may prove prophetic.Logical formLearned from6 sentences. Facts may be proven to a jury.Logical formLearned from6 sentences. A question may prove that something-is-the-case.Logical formLearned from6 sentences. Prosecutors may prove a link.Logical formLearned from6 sentences. Candidates may prove a mettle.Logical formLearned from6 sentences. Successes may prove that something-is-the-case.Logical formLearned from6 sentences. Methods may prove inadequate.Logical formLearned from6 sentences. A victory may prove a (turning point).Logical formLearned from6 sentences. A task may prove elusive.Logical formLearned from6 sentences. An order may prove that something-is-the-case.Logical formLearned from6 sentences. A phenomenon may prove that something-is-the-case.Logical formLearned from6 sentences. A site may prove successful.Logical formLearned from6 sentences. A truth of a charge may be proven.Logical formLearned from6 sentences. An effort may prove a failure.Logical formLearned from6 sentences. Recovery of material may prove difficult.Logical formLearned from6 sentences.