Companies may participate in a survey.Logical formLearned from13 sentences. A person may participate in an educational program.Logical formLearned from13 sentences. A person may participate in drills.Logical formLearned from13 sentences. Persons may participate in an effort.Logical formLearned from13 sentences. Volunteers may participate.Logical formLearned from13 sentences. Governments may participate.Logical formLearned from13 sentences. A person may participate in classes.Logical formLearned from13 sentences. Other persons may participate.Logical formLearned from13 sentences. Moderators may participate.Logical formLearned from13 sentences. Students may participate in a course.Logical formLearned from13 sentences. Some runners may participate in a race.Logical formLearned from13 sentences. Some percent of voters may participate.Logical formLearned from13 sentences. Students may participate in a (commencement ceremony).Logical formLearned from13 sentences. Others may participate.Logical formLearned from13 sentences. Students may participate in intercollegiate athletics.Logical formLearned from13 sentences.