A happy lady in a yellow shirt making a horse as a sand sculpture.
A woman is building a sand sculpture.
Lady is another word for woman. In order to be making a sand sculpture shaped like a horse a woman would have to be building a sand sculpture. Thus a woman is building a san sculpture.
exists e1 s1 s2 x1 x2 x3 x4 x5 x6.(a_topic(x1) & in(x1,x2) & Theme(e1,x4) & Actor(e1,x3) & v_make(e1) & as(x4,x5) & n_sculpture(x5) & of(x5,x6) & n_sand(x6) & n_horse(x4) & (x2 = x3) & n_shirt(x2) & a_yellow(s2) & Theme(s2,x2) & n_lady(x1) & a_happy(s1) & Theme(s1,x1))
exists e1 x1 x2 x3.(Theme(e1,x2) & Actor(e1,x1) & v_build(e1) & n_sculpture(x2) & of(x2,x3) & n_sand(x3) & n_woman(x1))