A man blue jeans riding a motorcycle.
A woman in a leather jacket is riding a motorcycle.
Answer: A man can never be a woman and jeans isn't leather.
exists e1 s1 x1 x2 x3 x4.(a_topic(x1) & Theme(e1,x4) & Actor(e1,x3) & v_ride(e1) & n_motorcycle(x4) & (x1 = x3) & n_jeans(x1) & a_blue(s1) & Theme(s1,x1) & of(x1,x2) & n_man(x2))
exists e1 x1 x2 x3 x4.(Theme(e1,x4) & Actor(e1,x1) & v_ride(e1) & n_motorcycle(x4) & in(x1,x2) & n_jacket(x2) & of(x2,x3) & n_leather(x3) & n_woman(x1))