Students may participate in (class discussion).Logical formLearned from9 sentences. Some institutions may participate in a survey.Logical formLearned from9 sentences. A male may participate in (research projects).Logical formLearned from9 sentences. Teachers may participate in programs.Logical formLearned from9 sentences. A country may participate in a festival.Logical formLearned from9 sentences. A country may participate in a conference.Logical formLearned from9 sentences. Persons may participate in an activity.Logical formLearned from9 sentences. A country may participate in international organizations.Logical formLearned from9 sentences. Some (volunteer groups) may participate.Logical formLearned from9 sentences. Lawmakers may participate.Logical formLearned from9 sentences. A US-president may participate in a (conference call).Logical formLearned from9 sentences. A female may participate in elections.Logical formLearned from9 sentences. Classmates may participate in a program.Logical formLearned from9 sentences. Persons may participate without an environment of fear.Logical formLearned from9 sentences. A male may participate in some (team activities).Logical formLearned from9 sentences.