A US-city may sit_in on a class.Logical formLearned from2 sentences. A US-city may sit_in as mediators.Logical formLearned from2 sentences. A (pool reporter) may sit_in on a meeting.Logical formLearned from2 sentences. A months-long may sit_in at (government offices).Logical formLearned from2 sentences. A father may sit_in on a case.Logical formLearned from2 sentences. A female may sit_in on a meeting of wives.Logical formLearned from2 sentences. Some women may sit_in on benches.Logical formLearned from2 sentences. A look-alike may sit_in for a leader.Logical formLearned from2 sentences. A (liaison official) may sit_in on an interview.Logical formLearned from2 sentences. A victim may sit_in on a deposition.Logical formLearned from2 sentences. Foreign ministers may sit_in on talks.Logical formLearned from2 sentences. (Ministry officials) may sit_in on discussions.Logical formLearned from2 sentences. A person may sit_in on part of an encounter.Logical formLearned from2 sentences. A woman may sit_in on (police interviews).Logical formLearned from2 sentences. (Security officials) may sit_in on some meetings.Logical formLearned from2 sentences.