Federal agents may knock on a door.Logical formLearned from7 sentences. A news may knock a wind.Logical formLearned from7 sentences. Persons may knock persons.Logical formLearned from7 sentences. A male may knock in a rebound.Logical formLearned from7 sentences. A foam may knock a hole.Logical formLearned from7 sentences. Winds may knock a tree.Logical formLearned from7 sentences. An explosion may knock a beret.Logical formLearned from7 sentences. A reporter may knock.Logical formLearned from7 sentences. A person may knock knock.Logical formLearned from7 sentences. A sports-celebrity may be knocked.Logical formLearned from7 sentences. Some persons may knock cookies from hands of other persons.Logical formLearned from7 sentences. A wind may knock a boy from a balcony.Logical formLearned from7 sentences. A US-city may knock.Logical formLearned from7 sentences. A teen may be knocked unconscious.Logical formLearned from7 sentences. A respiratory disease may knock a horse.Logical formLearned from7 sentences.