A source may sit_in on a meeting.Logical formLearned from2 sentences. Representative may sit_in on meetings of a council.Logical formLearned from2 sentences. Adults may sit_in chairs.Logical formLearned from2 sentences. A person may sit_in on rehearsals.Logical formLearned from2 sentences. A person may sit_in a café.Logical formLearned from2 sentences. A woman may sit_in with a husband.Logical formLearned from2 sentences. A wife may sit_in on sessions.Logical formLearned from2 sentences. A senior (administration official) may sit_in on a meeting.Logical formLearned from2 sentences. Persons may sit_in on a company.Logical formLearned from2 sentences. A male may sit_in on hearings.Logical formLearned from2 sentences. A female may sit_in on meetings.Logical formLearned from2 sentences. A female may sit_in on a debriefing of a son-in-law.Logical formLearned from2 sentences. Persons may sit_in for a couple.Logical formLearned from2 sentences. A person may sit_in with a group.Logical formLearned from2 sentences. A person may sit_in for minutes.Logical formLearned from2 sentences.