A male may knock an elbow.Logical formLearned from3 sentences. A male may knock at doors of some rooms.Logical formLearned from3 sentences. A male may leave a rest of a party to a ceremony of knocking at a door.Logical formLearned from3 sentences. A male may knock on a door of a home.Logical formLearned from3 sentences. (Census workers) may knock on doors.Logical formLearned from3 sentences. A bogey may knock a male.Logical formLearned from3 sentences. A male may knock a (college graduate).Logical formLearned from3 sentences. An asteroid may knock the moon.Logical formLearned from3 sentences. A bit may be knocked.Logical formLearned from3 sentences. History may knock on a door.Logical formLearned from3 sentences. A person may knock in a male.Logical formLearned from3 sentences. A firm may be knocked.Logical formLearned from3 sentences. Life may knock a person.Logical formLearned from3 sentences. A season may knock on a door.Logical formLearned from3 sentences. A person may knock in a first run.Logical formLearned from3 sentences.