A person may signal a person by knocking over a beer.Logical formLearned from4 sentences. Problems may knock a male.Logical formLearned from4 sentences. A bubble may knock singers off charts.Logical formLearned from4 sentences. A blast may knock a person.Logical formLearned from4 sentences. A (bus driver) may be knocked.Logical formLearned from4 sentences. An effort may knock a wind.Logical formLearned from4 sentences. A person may knock balls.Logical formLearned from4 sentences. A bicycle may be knocked on a door.Logical formLearned from4 sentences. A head may knock a male.Logical formLearned from4 sentences. A (basketball goal) may be knocked.Logical formLearned from4 sentences. A female may knock a US-president off pins.Logical formLearned from4 sentences. A victory may knock a crown of inevitability off a head.Logical formLearned from4 sentences. Fate may knock at a door.Logical formLearned from4 sentences. Monstrosities may knock.Logical formLearned from4 sentences. (Starting quarterback) may be knocked.Logical formLearned from4 sentences.