Trouble may knock.Logical formLearned from4 sentences. A victim may be knocked.Logical formLearned from4 sentences. An underdog may knock.Logical formLearned from4 sentences. A male may be knocked at a door.Logical formLearned from4 sentences. Knowledge may knock satisfaction.Logical formLearned from4 sentences. Items may be knocked from shelves.Logical formLearned from4 sentences. A time may knock on a door.Logical formLearned from4 sentences. A male may knock on doors.Logical formLearned from4 sentences. A male may knock in a run.Logical formLearned from4 sentences. A male may knock off a table.Logical formLearned from4 sentences. A car may knock.Logical formLearned from4 sentences. Casinos may be knocked.Logical formLearned from4 sentences. A person may knock books.Logical formLearned from4 sentences. A male may knock doors.Logical formLearned from4 sentences. A campaign may knock on some doors.Logical formLearned from4 sentences.