The lady in the green shirt is laughing.
A lady is wearing a green shirt
It is clear there is a lady wearing a green shirt since she is the one laughing.
exists e1 s1 x1 x2.(n_shirt(x2) & a_green(s1) & Theme(s1,x2) & n_lady(x1) & Actor(e1,x1) & v_laugh(e1) & in(x1,x2))
exists e1 s1 x1 x2.(Theme(e1,x2) & Actor(e1,x1) & v_wear(e1) & n_shirt(x2) & a_green(s1) & Theme(s1,x2) & n_lady(x1))