A male may sit_in on negotiations.Logical formLearned from5 sentences. A male may sit_in on (jam sessions).Logical formLearned from4 sentences. A male may sit_in with a band.Logical formLearned from4 sentences. A person may sit_in on interviews.Logical formLearned from4 sentences. A female may sit_in between persons.Logical formLearned from4 sentences. A person may sit_in on seminars.Logical formLearned from4 sentences. A person may sit_in at a moment.Logical formLearned from4 sentences. A person may sit_in on a lecture.Logical formLearned from4 sentences. An e may sit_in on a class.Logical formLearned from4 sentences. A male may sit_in on a briefing.Logical formLearned from4 sentences. A male may sit_in on piano.Logical formLearned from4 sentences. Attorneys may sit_in on meetings.Logical formLearned from4 sentences. A person may sit_in on some sessions.Logical formLearned from4 sentences. A person may sit_in on a briefing.Logical formLearned from4 sentences. An (executive member) may sit_in on (executive committee meetings).Logical formLearned from4 sentences.