 
 <prompt> "Which opus wey Chopin refer to for im letter to Pleyel for 1839? Based on di last question, write a context wey contain di answer. E fit be 1 - 20 sentences. Context:" <response>: "On 3 December, Chopin complain about im bad health and the incompetence of the doctors for Majorca: "Three doctors don visit me ... The first talk say I don die; the second talk say I dey die; and the third talk say I dey about to die." E still get wahala to send hin Pleyel piano come. E finally land from Paris for December. Chopin write letter to Pleyel for January 1839: "I dey send you my Preludes [(Op. 28)]. I finish dem for your small piano, wey land for the best condition despite the sea, the bad weather and the Palma customs." Chopin still fit work on hin Ballade No. 2, Op. 38; two Polonaises, Op. 40; and the Scherzo No. 3, Op. 39." 