A woman in blue shirt laughing.
Woman in a blue shirt, laughing at something.
One must be laughing at something.
exists s1 x1 x2 x3.(a_topic(x1) & in(x1,x2) & n_laughing(x2) & of(x2,x3) & n_shirt(x3) & a_blue(s1) & Theme(s1,x2) & n_woman(x1))
exists e1 s1 s2 x1 x2 x3.(ne_nam_woman(s1) & a_topic(s1) & at(e1,x3) & n_thing(x3) & Actor(e1,x2) & v_laugh(e1) & (s1 = x2) & in(s1,x1) & n_shirt(x1) & a_blue(s2) & Theme(s2,x1))