Persons may sit_in on shows.Logical formLearned from10 sentences. Rear seats may be sit_ined.Logical formLearned from10 sentences. A male may sit_in with persons.Logical formLearned from10 sentences. A male may sit_in with a male.Logical formLearned from9 sentences. A male may sit_in with a group.Logical formLearned from9 sentences. A male may sit_in for a female.Logical formLearned from9 sentences. A male may sit_in on a class.Logical formLearned from8 sentences. An (info desk) may sit_in for tablers.Logical formLearned from8 sentences. A male may sit_in on a surgery.Logical formLearned from8 sentences. A male may sit_in on classes.Logical formLearned from8 sentences. An official may sit_in on a conversation.Logical formLearned from8 sentences. An official may sit_in on a meeting.Logical formLearned from8 sentences. A brother may sit_in on an interview.Logical formLearned from8 sentences. A female may sit_in on a class.Logical formLearned from7 sentences. A person may sit_in on a course.Logical formLearned from7 sentences.