A male may sit_in on a conference.Logical formLearned from2 sentences. A person may sit_in on deliberations.Logical formLearned from2 sentences. Teachers may sit_in on meetings.Logical formLearned from2 sentences. A male may sit_in on a (veto meeting).Logical formLearned from2 sentences. A male may sit_in at clubs.Logical formLearned from2 sentences. A male may sit_in on interviews.Logical formLearned from2 sentences. An aide may sit_in on a meeting.Logical formLearned from2 sentences. A male may sit_in with likes of a musician.Logical formLearned from2 sentences. A female may sit_in on (jam sessions).Logical formLearned from2 sentences. Agents may sit_in on classes.Logical formLearned from2 sentences. A person may sit_in on a (counseling session).Logical formLearned from2 sentences. A person may sit_in on a group.Logical formLearned from2 sentences. A person may sit_in on a lesson.Logical formLearned from2 sentences. A male may sit_in on a discussion.Logical formLearned from2 sentences. A person may sit_in on (staff meetings).Logical formLearned from2 sentences.