A disc may be produced by a male.Logical formLearned from23 sentences. Discs can be blue.Logical formLearned from23 sentences. A disc can be in a back.Logical formLearned from23 sentences. Compact discs may undergo a collection.Logical formLearned from23 sentences. Discs can be in a back.Logical formLearned from23 sentences. Discs can be protected.Logical formLearned from23 sentences. A feature can be on a disc.Logical formLearned from23 sentences. Thousands can be constituted-of-or-filled-with compact discs.Logical formLearned from23 sentences. A (disc c) can be hard.Logical formLearned from22 sentences. Possession may pertain-to a disc.Logical formLearned from22 sentences. A compact disc may undergo an introduction.Logical formLearned from22 sentences. A song can be on a disc.Logical formLearned from22 sentences. A rim may pertain-to a disc.Logical formLearned from22 sentences. (Music tracks) can be on a disc.Logical formLearned from22 sentences. A person may customize discs.Logical formLearned from22 sentences.