A person may participate in a symposium.Logical formLearned from9 sentences. Members of federal advisory committees may participate in a discussion of an application.Logical formLearned from9 sentences. Persons may participate in the economy.Logical formLearned from9 sentences. Youth may participate in programs.Logical formLearned from9 sentences. A female may participate in events.Logical formLearned from9 sentences. A user may participate.Logical formLearned from9 sentences. Some (volunteer observers) may participate in a program.Logical formLearned from9 sentences. A country may participate in a (peacekeeping mission).Logical formLearned from9 sentences. A female may participate in some conferences.Logical formLearned from9 sentences. Cities may participate.Logical formLearned from9 sentences. Someone can be interested in participatting.Logical formLearned from9 sentences. A national-agency may participate in discussions.Logical formLearned from9 sentences. Some countries may participate in an effort.Logical formLearned from9 sentences. A person may be participated in races.Logical formLearned from9 sentences. Candidates may participate in a debate.Logical formLearned from9 sentences.