A black woman in a white shirt and red flip-flops is holding an octopus.
There is a woman in flip flops.
Woman in flip-flops is a simple rephrased form of the earlier sentence where it highlight the color of the flip-flop too.
exists e1 s1 s2 s3 x1 x2 x3 x4 x5.(Theme(e1,x5) & Actor(e1,x1) & v_hold(e1) & n_octopus(x5) & in(x1,x2) & subset_of(x4,x2) & n_flip-flop(x4) & a_red(s3) & Theme(s3,x4) & subset_of(x3,x2) & n_shirt(x3) & a_white(s2) & Theme(s2,x3) & n_woman(x1) & a_black(s1) & Theme(s1,x1))
exists p1 x1 x2 x3 x4.((x1 = x2) & in(x2,x3) & n_flop(x3) & of(x3,x4) & n_flip(x4) & n_woman(x2))