A woman in a bright dress laughing.
A man is angry.
A woman and a man are not the same person.   Someone who is laughing is expressing a different emotion than one who is angry.
exists s1 x1 x2 x3.(a_topic(x1) & in(x1,x2) & n_laughing(x2) & of(x2,x3) & n_dress(x3) & a_bright(s1) & Theme(s1,x2) & n_woman(x1))
exists s1 x1.(Theme(s1,x1) & a_angry(s1) & n_man(x1))