Researcher may participate.Logical formLearned from27 sentences. A person may participate in a (conference call).Logical formLearned from27 sentences. Students may participate in a project.Logical formLearned from27 sentences. Countries may participate in a summit.Logical formLearned from27 sentences. Delegates may participate.Logical formLearned from27 sentences. A male may participate in events.Logical formLearned from27 sentences. A female may participate in research.Logical formLearned from27 sentences. Students may participate in exercises.Logical formLearned from27 sentences. A person may participate in a workshop.Logical formLearned from27 sentences. An organization may participate.Logical formLearned from27 sentences. Persons may be participated.Logical formLearned from27 sentences. Some persons may participate in a march.Logical formLearned from27 sentences. Opposition may participate.Logical formLearned from27 sentences. A male may participate in a massacre.Logical formLearned from27 sentences. A country may participate in military action.Logical formLearned from27 sentences.