A man is walking next to an orange van.
The van is white
Orange and white are different colors.
exists e1 x1 x2 x3.(to(e1,x2) & n_van(x2) & of(x2,x3) & n_orange(x3) & r_next(e1) & Actor(e1,x1) & v_walk(e1) & n_man(x1))
exists s1 x1.(n_van(x1) & Theme(s1,x1) & a_white(s1))