A piano can be in b-flat.Logical formLearned from21 sentences. A (piano quintet) may pertain-to a composer.Logical formLearned from21 sentences. A male may hear a piano.Logical formLearned from21 sentences. A piano can be pink.Logical formLearned from21 sentences. Piano can be for sale.Logical formLearned from21 sentences. A piano may play.Logical formLearned from21 sentences. Pianos may undergo a collection.Logical formLearned from21 sentences. A key can be on a piano.Logical formLearned from21 sentences. A person may touch a piano.Logical formLearned from21 sentences. A piano can be broken.Logical formLearned from21 sentences. A female may have a piano.Logical formLearned from21 sentences. A male can be (piano teacher).Logical formLearned from21 sentences. A male may take_up a piano.Logical formLearned from21 sentences. (Piano lessons) can be with excellence.Logical formLearned from21 sentences. A feature may link (piano lessons).Logical formLearned from21 sentences.