Libraries may participate.Logical formLearned from18 sentences. Individuals may participate in a design.Logical formLearned from18 sentences. Students may participate in rounds.Logical formLearned from18 sentences. A staff may participate.Logical formLearned from18 sentences. Persons may participate in activities.Logical formLearned from18 sentences. Persons may participate in a project.Logical formLearned from18 sentences. A (chief executive) may participate in a meeting.Logical formLearned from18 sentences. A female may participate in competitions.Logical formLearned from18 sentences. Sponsor may prohibit an entrant from participatting in a promotion.Logical formLearned from18 sentences. Everyone may participate in a poll.Logical formLearned from18 sentences. A person may participate in a walk.Logical formLearned from18 sentences. Homeowners may participate.Logical formLearned from18 sentences. A person may participate in a clinical trial.Logical formLearned from18 sentences. Someone may participate as a creator.Logical formLearned from18 sentences. A person may participate in a tour.Logical formLearned from18 sentences.