What did I do wrong? I got this answer but it wasn't a choice available on the multiple choice. The question if you can't see it is to find the POS from (pi) M(3,6,7,12)

W 9. 3 0011 12 1100 o 6 2. f(wix.y, z) = TM(3,6,7,12) 7 oll Tt gryta). Gw+xy+z). (x+y+z) (w+y+ y + W+y+z).(r+x+y) -(wtx++z)