 
 <prompt> "Na fewer frets dey di guitar, no be octaves. Based on di last question, write one context wey get di answer." <response>: ```Samuel Adelstein describe di Lombardi mandolin for 1893 as wider and shorter pass Neapolitan mandolin, with a shallow back and a shorter and wider neck, with six single strings to di regular mandolin set of 4. Di Lombardi dey tuned C, D, A, E, B, G. Di strings dey fastened to di bridge like guitar own. Dem get 20 frets, wey cover three octaves, with additional 5 notes. Wen Adelstein write dis, dem no get nylon strings, and di gut and single strings "no dey vibrate so clearly and sweetly like di double steel string of Neapolitan."``` 