A laughing woman in a scarf.
a woman in a blue scarf is laughing
Not all scarves are blue.
exists e1 x1 x2.(a_topic(x1) & in(x1,x2) & n_scarf(x2) & n_woman(x1) & Actor(e1,x1) & v_laugh(e1))
exists e1 s1 x1 x2.(Actor(e1,x1) & v_laugh(e1) & in(x1,x2) & n_scarf(x2) & a_blue(s1) & Theme(s1,x2) & n_woman(x1))