A motorcyclist biking through dusty terrain.
The bike is red in color.
Not all motorcycles are red.
exists e1 s1 x1 x2 x3.(a_topic(x1) & through(e1,x3) & n_terrain(x3) & a_dusty(s1) & Theme(s1,x3) & Actor(e1,x2) & v_bike(e1) & (x1 = x2) & n_motorcyclist(x1))
exists s1 x1 x2.(n_bike(x1) & in(s1,x2) & n_color(x2) & Theme(s1,x1) & a_red(s1))