4.4.33 For the 4-input truth table and K-map in Fig. 4.53, give the minimal sum of products (SOP) logic expression by exploiting "don't cares. 00 01 11 10 0 XXL ABCDF 00000 0 0 0 11 0 0 1 0 X 0 0 1 1 1 0 1 0 0 X 0 1 0 1 x 0 1 1 0 0 0 1 1 1 1000 x 1 0 0 1 1 0 1 0 1 0 1 1 1 100 x 1 1 0 1 1 1 1 0 X 1 1 1 1 O-X- XXOX XOXX XXXX 011 x 10 1111 x x x ( 10 X X Fig. 4.53