A man in black clothes and a blue hat is taking a drink and holding a shopping bag.
The man is shopping in a mall for a gift.
The color of his clothing is irrelevant and takes away from the first sentence's function of shopping.  He could be anywhere with a bag and a drink, not necessarily the mall or actively engaged in shopping.
exists e1 e2 s1 s2 s3 s4 x1 x2 x3 x4 x5 x6 x7 x8 x9 x10 x11.(Theme(e2,x10) & Actor(e2,x6) & v_hold(e2) & n_bag(x10) & of(x10,x11) & n_shopping(x11) & subset_of(x9,x6) & n_hat(x9) & a_blue(s4) & Theme(s4,x9) & subset_of(x7,x6) & in(x7,x8) & n_clothes(x8) & a_black(s3) & Theme(s3,x8) & n_man(x7) & Theme(e1,x5) & Actor(e1,x1) & v_take(e1) & n_drink(x5) & subset_of(x4,x1) & n_hat(x4) & a_blue(s2) & Theme(s2,x4) & subset_of(x2,x1) & in(x2,x3) & n_clothes(x3) & a_black(s1) & Theme(s1,x3) & n_man(x2))
exists e1 x1 x2 x3.(n_man(x1) & in(e1,x2) & for(x2,x3) & n_gift(x3) & n_mall(x2) & Actor(e1,x1) & v_shop(e1))