A man in a blue shirt is taking a picture.
A man is taking a picture of his wife.
we don't know that the man is taking a picture of his wife.
exists e1 s1 x1 x2 x3.(Theme(e1,x3) & Actor(e1,x1) & v_take(e1) & n_picture(x3) & in(x1,x2) & n_shirt(x2) & a_blue(s1) & Theme(s1,x2) & n_man(x1))
exists e1 x1 x2 x3.(Theme(e1,x2) & Actor(e1,x1) & v_take(e1) & of(x2,x3) & n_wife(x3) & of(x3,x1) & n_male(x1) & n_picture(x2) & n_man(x1))