A dvd can be helpful.Logical formLearned from4 sentences. A lab can be available for production of dvds.Logical formLearned from4 sentences. Dvds may receive recognition.Logical formLearned from4 sentences. A content can be on dvds.Logical formLearned from4 sentences. A player may play dvds.Logical formLearned from4 sentences. A recording can be on a dvd.Logical formLearned from4 sentences. A dvd can be for children.Logical formLearned from4 sentences. Dvds can be discs.Logical formLearned from4 sentences. A successor can be to dvds.Logical formLearned from4 sentences. A dvd can be dead.Logical formLearned from4 sentences. A person may back_up dvds.Logical formLearned from4 sentences. Dvds may contain images.Logical formLearned from4 sentences. Dvds can be unwanted.Logical formLearned from4 sentences. Users may distribute copies of dvds.Logical formLearned from4 sentences. An action may pertain-to dvds.Logical formLearned from4 sentences.