A couple with shades is walking across a crosswalk.
A couple uses a crosswalk.
Walking is done on a crosswalk.
exists e1 x1 x2 x3.(across(e1,x3) & n_crosswalk(x3) & Actor(e1,x1) & v_walk(e1) & with(x1,x2) & n_shades(x2) & n_couple(x1))
exists e1 x1 x2.(Theme(e1,x2) & Actor(e1,x1) & v_use(e1) & n_crosswalk(x2) & n_couple(x1))