an Entity references as follows:
AvantGrand is a brand of digital piano introduced by Yamaha in 2009. The product line consists of a baby grand piano (the N3, replaced by the N3X in 2016), two "vertical" grand pianos (the N2 and the N1 replaced by the N1X in 2019), and an upright piano (the NU1, replaced by the NU1X in 2017).