A person may knock for a person.Logical formLearned from3 sentences. A male may knock on a (room door).Logical formLearned from3 sentences. (Flower pots) may be knocked.Logical formLearned from3 sentences. A person may knock a person off a horse.Logical formLearned from3 sentences. Knock may knock experiments.Logical formLearned from3 sentences. Keys may knock against a (cell door).Logical formLearned from3 sentences. Criminals may knock on a door.Logical formLearned from3 sentences. A male may knock boots.Logical formLearned from3 sentences. A male may knock a (biker picture).Logical formLearned from3 sentences. An one may knock a male.Logical formLearned from3 sentences. Salesmen may knock at a door.Logical formLearned from3 sentences. Hands may knock crumbs.Logical formLearned from3 sentences. A nominee may be knocked.Logical formLearned from3 sentences. A male may knock a male to a floor.Logical formLearned from3 sentences. A scene may knock a person.Logical formLearned from3 sentences.