A female may sit_in on a trial.Logical formLearned from1 sentences. Musicians of some genres may sit_in with a band.Logical formLearned from1 sentences. Someone may sit_in on proceedings.Logical formLearned from1 sentences. A male may sit_in on a track.Logical formLearned from1 sentences. A male may sit_in during an interview.Logical formLearned from1 sentences. A dog may sit_in on meetings.Logical formLearned from1 sentences. Some kind of monster may sit_in on (group therapy meetings).Logical formLearned from1 sentences. Lobbyists may sit_in meetings.Logical formLearned from1 sentences. A person may sit_in for a president.Logical formLearned from1 sentences. A (campaign spokesman) may sit_in on (finance meetings).Logical formLearned from1 sentences. A male may sit_in on meetings of editors.Logical formLearned from1 sentences. A facilitator may sit_in with a female.Logical formLearned from1 sentences. A person may sit_in on (jam sessions).Logical formLearned from1 sentences. Lawyers may sit_in on some depositions.Logical formLearned from1 sentences. A co-founder may sit_in with a musician.Logical formLearned from1 sentences.