A black and white dog is going through an obstacle course.
The dog goes through an obstacle course.
through an obstacle course is same as  through an obstacle course
exists e1 s1 s2 x1 x2 x3.(through(e1,x2) & n_course(x2) & of(x2,x3) & n_obstacle(x3) & Actor(e1,x1) & v_go(e1) & n_dog(x1) & a_white(s2) & Theme(s2,x1) & a_black(s1) & Theme(s1,x1))
exists e1 x1 x2 x3.(n_dog(x1) & through(e1,x2) & n_course(x2) & of(x2,x3) & n_obstacle(x3) & Actor(e1,x1) & v_go(e1))